USA v. State of Arizona, et al

Filing 39

Submitted (ECF) Amicus brief for review and filed Motion to become amicus curiae. Submitted by Various Members of Congress. Date of service: 09/02/2010. [7461720] (JS)

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Exhibit A Assistance by State and Local Police in Apprehending Illegal Aliens Subject to the provisions of state law, state and local police may constitutionally detain or arrest aliens for violating the criminal provisions of the Immigration and Naturalization Act. State and local police lack recognized legal authority to stop and detain an alien solely on suspicion of civil deportability, as opposed to a criminal violation of the immigration laws or other laws.* State and local police may detain aliens reasonably suspected of a criminal violation of the immigration laws for periods of as long as 45 to 60 minutes when detentions of that length are necessary to allow for the arrival of Border Patrol agents who are needed for the informed federal disposition of the suspected violations. February 5, 1996 MEMORANDUM OPINION FOR THE UNITED STATES ATrORNEY SOUTRN DISTrCT OF CALFORNIA I. BACKGROUND AND SUMMARY OF CONCLUSIONS This responds to your memorandum to Seth Waxman, Associate Deputy Attorney General. In that memorandum, you requested a legal opinion from this Office concerning the circumstances in which state and local police in Califonia can assist the Immigration and Naturalization Service ("INS") in enforcing the federal immigration laws. Your request for opinion was triggered by certain difficulties that have arisen in connection with local law enforcement assistance in the immigration area, particularly in detaining aliens who have entered the United States unlawfully. In particular, you referred to a policy of the San Diego Police Force that limits the period for which its officers may detain alien suspects stopped on "reasonable suspicion" to a maximum of 20 minutes. Although state and local police have been authorized to detain alien suspects in some circumstances, the proper investigation, processing, and arrest of suspected immigration violators generally requires the presence and assistance of agents of the United States Border Patrol. At present, however, we understand that local police will detain such persons for only 20 minutes after Border Patrol assistance is requested. You advise that Border Patrol agents in your district are rarely able to reach the scene of apprehension within 20 minutes. As a result, the 20-minute detention limit may cause state officers to release illegal alien entrants when Border Patrol agents have not arrived at the scene within that time period. You have therefore suggested that city and county authorities consider expanding the permitted period of detention from 20 minutes to as much as one hour, as permitted by law. * Editor's Note: See Editor's Note to Section II.B. 1 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 26 1996 Assistance by State and Local Policexhibit A E in Apprehending Illegal Aliens In addition to the matters raised in your initial opinion request, you have subsequently requested our legal opinion on several additional related issues. Set forth below is our analysis of those issues. Our conclusions on the chief issues you raise may be summarized as follows: 1. Subject to the provisions of state law, state and local police I may constitutionally detain or arrest aliens who have violated the criminal provisions of the Immigration and Naturalization Act ("INA"). State police lack recognized legal authority to arrest or detain aliens solely for purposes of civil deportation proceedings, as opposed to criminal prosecution. (Sections ll.A-B).* 2. California law allows state police to enforce the criminal provisions of federal immigration law, although they may not make warrantless arrests for INA misdemeanor violations unless the offense occurs in their presence. When illegally entering aliens have reached a place of repose within the United States, the offense is completed and is no longer subject to warrantless arrest by California police. (Sections ll.A, 11.C3). 3. State police may stop and detain carloads of illegal alien suspects only in circumstances that satisfy the requirements of "reasonable suspicion." These requirements are inherently fact-specific and therefore not readily reduced to clearcut rules. Nonetheless, several basic principles and considerations warrant emphasis. (Section Hl.C). a. Persons may be detained for reasonable periods by state police on the basis of a reasonable suspicion of a criminal immigration law violation. The critical requirement for a reasonable suspicion detention is the existence of objective, articulable facts suggesting the commission of a criminal offense by the persons detained, rather than mere stereotypical assumptions, profiles, or generalities. b. In particular, absent knowledge of an established federal policy of not prosecuting such offenses, state police may, in our opinion, legally detain alien suspects for disposition by federal agents when there is reasonable suspicion that the suspects have violated or are violating the two commonplace misdemeanor provisions of the INA, 8 U.S.C. 1304(e) (lack of alien registration documents) or 1325 (illegal entry), or other criminal provisions of the INA. c. Written guidelines or policies adopted by state or local police forces may generate additional legal complications regarding otherwise valid detentions based on suspected violations of criminal immigration laws, insofar as such guidelines or policies state that suspects may only be detained based on reasonable suspicion of crimes that are unrelated to the immigration laws. Because any extended detention of a suspect must generally be based upon the law enforcement purposes served by the stop, a police force's official disclaimer of any immigration-related detention authority could undermine the validity of detaining suspects to await processing by Border Patrol officers. Editor's Note: See Editor's Note to Section H.B. aFor purposes of brevity, state and local police will sometimes be referred to herein simply as "state police." 2 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 27 1996 Opinions of the Attorneyibit A in Volume 20 Exh General 4. Under governing judicial precedents, state police in California may constitutionally detain alien suspects for periods of as long as 45 to 60 minutes in circumstances where detentions of that length are necessary to allow for the arrival of Border Patrol agents (exercising due diligence) who are needed for the informed federal disposition of reasonably suspected violations of the INA. (Section II.D). a. We caution, however, that one Ninth Circuit panel opinion issued in 1994 suggests a somewhat more restrictive approach to the permissible duration of such detentions. b. If the Border Patrol agents do not promptly arrest the suspects upon their arrival at the scene of a reasonable suspicion detention, it must be assumed that the additional period of detention required by them before effecting an arrest would be counted by a court in calculating the permissible length of such detentions (e.g., a permissible 40-minute detention by state police awaiting the arrival of Border Patrol agents might be rendered impermissibly lengthy if the agents detain the suspects for, e.g., an additional 30 minutes before effecting an arrest). 5. As a general rule, the involuntary vehicular transportation of validly detained aliens by state police to Border Patrol agents would be deemed an arrest and require probable cause rather than mere reasonable suspicion. (Section I.E). a. In unusual circumstances where the Border Patrol's necessary assistance may be more promptly obtained by transporting validly detained suspects to the agents than by awaiting the arrival of the latter, we believe such transportation (limited to reasonably proximate locations) would be sustainable even in the absence of probable cause under the principles applied in several pertinent judicial opinions in California and the Ninth Circuit. It cannot be assumed, however, that all reviewing courts would uphold the validity of such involuntary transportation in the absence of probable cause. b. Interrogation undertaken by Border Patrol agents following such localized transport of detainees should take place in an open, non-coercive setting; interrogation of such transported detainees inside a Border Patrol office or other police office would likely transform the detention into an arrest under controlling judicial precedents. 6. Under one recent Ninth Circuit precedent, the question whether state police may validly arrest alien suspects on probable cause that they have violated the INA's requirement that aliens carry registration documents, see 8 U.S.C. 1304(e), may also depend upon whether they have reason to believe that federal officials actually prosecute suspects for such violations. This is significant because that misdemeanor provision may sometimes provide the only basis for the arrest. To the extent that arrests by California police nominally based on such INA misdemeanor charges are found to be a pretext for civil deportation proceedings, they are likely to be invalidated by the courts. (Section II.C.2). 7. There is established statutory authority for the deputation of state law enforcement officers as Deputy United States Marshals. This mechanism has been most commonly used to allow state officers to perform federal enforcement functions 3 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 28 1996 Exhibit A Assistance by State and Local Police inApprehending Illegal Aliens in joint federal-state law enforcement task forces (e.g., anti-drug and fugitive pursuit task forces). (Section l1.F). a. Where the Attorney General has exercised her authority to delegate supplemental INA enforcement duties to the U.S. Marshals Service, state and local officers can be specially deputized as Special Deputy United States Marshals in order to perform supportive federal immigration enforcement functions. b. Such arrangements were previously authorized by an Attorney General Order in August 1994, for a period of one year, in order to deal with a potential mass immigration emergency in the State of Florida. II. ANALYSIS A. Validity and Scope of State Police Participationin EnforcingFederal ImmigrationLaws It is well-settled that state law enforcement officers are permitted to enforce federal statutes where such enforcement activities do not impair federal regulatory interests. Ker v. California,374 U.S. 23 (1963); Florida Avocado Growers, Inc. v. Paul, 373 U.S. 132 (1963). This general principle extends to state enforcement of the Immigration and Naturalization Act as well. In Gonzales v. City of Peoria, 722 F.2d 468 (9th Cir. 1983), for example, the Ninth Circuit held that "federal law does not preclude local enforcement of the criminal provisions of the [Immigration and Naturalization] Act." Id. at 475. At the same time, federal law does not require state law enforcement agencies to assist in enforcing the INA. That the INA permits state police officers to make arrests and detentions, see, e.g., 8 U.S.C. 1324(c), does not mean that states must permit their police to do so. Rather, the INA enforcement authority of state police is subject to the provisions and limitations of state law. In People v. Barajas, 81 Cal. App.3d 999, 147 Cal. Rptr. 195 (1978), the California Court of Appeal upheld the authority of California local police officers to make arrests for violations of 8 U.S.C. 1325 (the illegal entry misdemeanor) and 1326 (felony for alien to re-enter United States after deportation). In rejecting the defendant's argument that the arrest was illegal under INA warrant requirements, see 8 U.S.C. 1357, the court determined that those requirements applied only to arrests by federal officers and then stated: "In the absence of a specific [federal] law regulating the mode of such an arrest, the legality of an arrest by local officers is determined by the law of arrest of the state in which it occurs, unless such law conflicts with the federal Constitution." 81 Cal. App.3d at 1006. Upholding the arrest under the "reasonable cause" standard of section 836 of the California Penal Code, the court stated: [The state officers'] knowledge of defendant's evasive conduct (use of a false name, claim to possession of a "green card" not on 4 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 29 1996 Exh General Opinions of the Attorney ibit A in Volume 20 hand but at home, and lack of knowledge as to allow production of the card) during the April 28 incident, coupled with [the INS officer's] information, gave them ample probable cause to arrest for violation of 8 U.S.C. section 1325 or 1326. Id. at 1007. A 1984 opinion of the California Attorney General also concluded that neither federal nor California law bars state and local officials from assisting in the enforcement of federal immigration laws. See 67 Ops. Cal. Atty. Gen. 331, Opinion No. 83-902 (July 24, 1984). The opinion stated that, in the absence of federal statutory restrictions on such activity, "we would look to California law to determine the role state and local officials in California may play in that regard." Id. The opinion's central conclusion was that there is no legally enforceable requirement that California peace officers must report to the INS knowledge they might have concerning persons who have entered the United States illegally, although there is no prohibition against their doing so. More pertinently, the Attorney General's opinion did point out one particularly significant restriction of California law on INA enforcement by local police. In the case of misdemeanorviolations, such as those covered by 8 U.S.C. 1304(e) and 1325, an arrest may only be made when the officer has reasonable cause to believe that the person has committed the offense "in his presence." 67 Ops. Cal. Atty. Gen. 331 n.1011; Cal. Penal Code 836 (emphasis added). Subject to such restrictive state law provisions, it is recognized that state and local police may stop, detain, and arrest persons when there is reasonable suspicion or, in the case of arrests, probable cause that such persons have violated, or are violating, the federal immigration laws. Gonzales, 722 F.2d at 474; Barajas, 81 Cal. App.3d at 999; 67 Ops. Cal. Att'y Gen. 331, Op. No. 83-902. We also note that the INA itself recognizes the authority of state officers to make arrests for criminal violations of federal immigration law. For example, 8 U.S.C. 1324(c), governing the authority to arrest persons for bringing into the United States or harboring illegal aliens, provides as follows: No officer or person shall have authority to make any arrest for a violation of any provision of this section except officers and employees of the Service designated by the Attorney General, either individually or as a member of a class, and all other officers whose duty it is to enforce criminallaws. [emphasis added] Moreover, in Gonzales, the Ninth Circuit explicitly rejected the claim that this state arrest authority does not extend to other criminal provisions of the INA, such as 8 U.S.C. 1325 and 1326. See 722 F.2d at 475. The California Court of Appeal reached the same conclusion in Barajas. See 81 Cal. App.3d at 1006. 5 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 30 1996 Assistance by State and Local Police int A Exhibi Apprehending IllegalAliens Aliens * B. Civil Enforcement/Deportable Whether state officers may assist in enforcing the civil component of federal immigration law raises a separate issue. Deportation of aliens under the INA is a civil proceeding. For example, a lawfully admitted non-immigrant alien may become deportable if his visitor's visa expires or if his student status changes. In such circumstances, persons may become subject to civil deportation without having violated a criminal provision of the INA. In Gonzales, the Ninth Circuit held that the authority of state officials to enforce the provisions of the INA "is limited to criminal violations." 772 F.2d at 476. The court based this distinction between the civil and criminal provisions of the INA on the theory that the former constitute a pervasive and preemptive regulatory scheme, whereas the latter do not. 2 Application of this rule would seem to preclude detentions by state officers based solely on suspicion of deportability (as opposed to criminal violations of the INA). Accord Gates v. Superior Court, 193 Cal. App.3d 205, 213, 238 Cal. Rptr. 592 (1987) ("The civil provisions of the INA constitute a pervasive regulatory scheme such as to grant exclusive federal jurisdiction over immigration, thereby preempting state enforcement."). In an opinion issued in 1989, 3 this Office similarly recognized the distinction between the civil and criminal provisions of the INA for purposes of state law enforcement authority. We first expressed our belief that "the mere existence of a warrant of deportation for an alien does not provide sufficient probable cause to conclude that the criminal provisions [of the INA] have in fact been violated." 1989 OLC Op. at 8. We then concluded: Because 8 U.S.C. 1251 makes clear that an alien who has lawfully entered this country, lawfully registered, and who has violated no criminal statute may still be deported for noncompliance with the noncriminal or civil immigration provisions, the mere existence of a warrant of deportation does not enable all state and local law enforcement officers to arrest the violator of those civil provisions. Id. at 9. * Editor's Note: In 2002, the Office of Legal Counsel withdrew the advice set forth In this section. 2As the court staetd: We assume that the civil provisions of the Act regulating authorized entry, length of stay, residence status, and deportation, constitute such a pervasive regulatory scheme, as would be consistent with the exclusive federal power over immigration. However, this case does not concern that broad scheme, but only a narrow and distinct elemem of it-the regulation of criminal immigration activity by aliens. 722 F.2d at 475. 3Memorandum for Joseph R. Davis, Assistant Director, Federal Bureau of Investigation, from Douglas W. Kmiec, Assistant Attorney General, Office of Legal Counsel, Re: Handling of INS Warrants of Deportation In Relation to NCIC WantedPersonFile at 5 (Apr. 11. 1989) (" 1989 OLC Op."). 6 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 31 1996 Opinions of the AttorneyExhibitin Volume 20 General A In that regard, 8 U.S.C. 1357(a)(2) imposes substantial restrictions even upon he authority of federal officers to make warrantless arrests for purposes of civil leportation. It requires that the arresting officer reasonably believe the alien is n the United States illegally and that he is "likely to escape before a warrant an be obtained for his arrest." See Mountain High Knitting, Inc. v. Reno, 51 F.3d 216, 218 (9th Cir. 1995) (asserting that even INS agents have no legitimate iasis for a warrantless arrest of aliens subject to civil deportation unless the arrestng officer reasonably believes that the alien is likely to escape before an arrest varrant can be obtained). Taking all these authorities into account, we conclude that state and local police ack recognized legal authority to stop and detain an alien solely on suspicion tf civil deportability, as opposed to a criminal violation of the immigration laws or other laws. . LegalAuthority and Standards Detention or Arrest of Alien Suspects for You have also asked for our opinion concerning the legal standards governing he detention of suspected illegal aliens under the circumstances most commonly onfronted by police in the San Diego area. As an illustrative example of such ircumstances, you have described the situation where a van or other vehicle carying a number of possible illegal aliens is stopped by the police based on probble cause or reasonable suspicion that a state traffic violation or other criminal iffense has been committed. 4 Although such circumstances clearly justify detenion and processing of the driver and vehicle, the question arises as to what quanam or quality of indicators are necessary to sustain arrest or investigative detenion of the alien passengers on the respective grounds of probable cause or reasonble suspicion. Additional -issues concern the particular criminal provisions of the NA that may provide a valid basis for detention or arrest of alien suspects. 1. GeneralPrinciplesand PermissibleConsiderations Courts have made clear that federal and state officers have authority briefly detain persons based on reasonable suspicion that they have committed or are ommitting a violation of federal law, including the immigration laws. See, e.g., fartinez v. Nygaard, 831 F.2d 822, 827 (9th Cir. 1987) ("[To detain a worker hort of an arrest, an INS officer must have an objectively reasonable suspicion iat the particular worker is an illegal alien."). The general standards governing -asonable suspicion detentions of aliens transported in vehicles were recently ammarized by the Ninth Circuit in United States v. Rodriguez-Sanchez, 23 F.3d 488, 1492 (1994): 'We note that where state officials establish a fixed checkpoint for purposes of detecting illegal entry and related imes, vehicles may be stopped for brief questioning even in the absence of any reasonable or individualized $cion. See United States v. Martinez.Fuerte, 428 U.S. 543 (1976). The operation of such fixed checkpoints need x be authorized in advance by a judicial warrant, id. 564-66, and need not be in immediate proximity to the at tional border (the checkpoint upheld in Marinez.Fuene was 66 miles north of the Mexican border). 7 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 32 1996 Assistance by State and Local Police in Apprehending Illegal Aliens Exhibit A Reasonable suspicion is not a mere phrase but has been given meaning such that suspicion is "reasonable" only if based on "specific articulable facts, together with rational inferences from those facts, that reasonably warrant suspicion that the vehicle contains aliens who may be illegally in the country." [quoting from United States v. Brignoni-Ponce,422 U.S. at 884] For example, the Ninth Circuit upheld a state officer's reasonable suspicion detention of alien passengers in a parked vehicle in United States v. RamirezSandoval, 872 F.2d 1392, 1395 (9th Cir. 1989). There, a Los Angeles police officer observed a parked van occupied by two men in the front seat and a number of others in the rear who appeared to be Hispanic males. Merchants in the area had previously reported suspicious activity around this van, notably the extensive comings and goings from the van after it would park on the street after 6 p.m., when the local patrolman would be off duty. The detaining officer was also aware that there was considerable heroin dealing in the area in question. The officer approached the van, noticed a list of names and numbers on the van's visor, and elicited a response from one of the passengers that he had recently crossed the U.S.-Mexico border and had paid money to be illegally transported into the United States. The officer then detained the van's occupants while he contacted the INS. The court upheld the detention against a challenge that it was not based upon a reasonable suspicion of illegal activity. Id. at 1394. Citing the circumstances described above, the court stated: "Taken together, these factors provide a founded suspicion that the occupants of a van fitting the description of appellant's van may have been engaged in illegal activity." Id. Significantly, the court did not find it necessary to establish that the officer had any particular felony violation in mind when he formed his reasonable suspicion. In assessing alien detention issues, it must also be recognized that when police stop a vehicle on the basis of traffic offenses or other suspected crimes they may not ordinarily detain the vehicle's passengers beyond the period required for disposition of the matter that justified the initial stop. See Martinez, 831 F.2d at 827. However, observations made while investigating or processing the primary offense may provide independent basis for reasonable suspicion that either the driver or the passengers are violating the federal immigration laws, which would then justify further detention to investigate such violations within the bounds permitted by Terry and its progeny. See United States v. Wilson, 7 F.3d 828, 834 (9th Cir. 1993), cert. denied, 511 U.S. 1134 (1994). 5 Moreover, police would be permitted to inquire as to the immigration status of passengers in such a stopped vehicle as long as they do not unnecessarily prolong the length of the $See also United States r. Bloomfleld, 40 F.3d 910, 918 (8th Cir. 1994), cert. denied, 514 U.S. 1113 (1995). where the court held, "If. during a traffic stop, an officer develops a reasonable, articulable suspicion that a vehicle is carrying contraband, he has 'justificalion for a greater intrsion unrelated to the traffic offense.' (citation omitted). The same reasoning would apply when a traffic stop leads to a reasonable suspicion that the vehicle is carrying illegal aliens. 8 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 33 1996 Opinions of the Attorneyibit A in Volume 20 Exh General initial detention for that purpose. The responses to such inquiries could then provide a basis for detention or arrest of the passengers by creating a reasonable suspicion or probable cause that they have committed an illegal entry or are aliens lacking proper registration documents. Courts have also recognized that a reasonable suspicion created by one person may also support a reasonable suspicion as to others accompanying him in appropriate circumstances. Thus, the "traveling companion of a person whom the police reasonably suspected of illegally crossing the border" may also be detained on reasonable suspicion when there are indications that the accompanying individuals are acting in concert or complicity with the initial suspect. See United States v. Tehrani, 49 F.3d 54, 59-60 (2d Cir. 1995); United States v. Patrick, 899 F.2d 169, 172 (2d Cir. 1990). It follows that when state police have reasonable suspicion that a stopped driver may be engaged in transporting illegal aliens, a reasonable suspicion of related immigration violations may also be justified as to his passengers. Reasonable suspicion determinations are based on the totality of circumstances in each case and are "not readily reduced to 'a neat set of legal rules.'" United States v. Hernandez-Alvarado,891 F.2d 1414, 1416 (9th Cir. 1989). Reliable predictions of judicial rulings in this area are especially difficult within the Ninth Circuit, where different panels have reached inconsistent conclusions in applying the reasonable suspicion standard to extremely similar factual situations. Compare United States v. Franco-Munoz, 952 F.2d 1055 (9th Cir. 1991), cert. denied, 509 U.S. 911 (1993) (reasonable suspicion upheld where heavily-laden vehicle driven by male of Hispanic appearance was traveling in area known for alien smuggling) with United States v. Rodriguez, 976 F.2d 592 (9th Cir. 1992), amended, 997 F.2d 1306 (9th Cir. 1993) (similar fact pattern held insufficient to support reasonable suspicion). Nonetheless, we believe several general principles are both relevant and well-established in the caselaw as guidelines for the permissibility of stops and detentions of vehicles or their passengers in this context: a. Reasonable suspicion must be based upon an "objective basis" and "specific, articulable facts," rather than on "broad profiles which cast suspicion on entire categories of people without any individualized suspicion of the particular person . . . ." United States v. Garcia-Camacho,53 F.3d 244, 246 (9th Cir. 1995). These specific, articulable facts must provide "a rational basis for separating out the illegal aliens from American citizens and legal aliens." Nicacio v. INS, 797 F.2d 700, 705 (9th Cir. 1985). b. Officers may not arbitrarily stop all persons of Mexican or Hispanic appearance (or that of any other particular nationality or ethnic group) to question them regarding immigration/citizenship status without any other specific grounds for reasonable suspicion that they are illegal aliens. See United States v. BrignoniPonce, 422 U.S. 873 (1975); Hernandez-Alvorado, 891 F.2d at 1416. Likewise, Hispanic or foreign-sounding names do not in themselves provide a valid basis 9 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 34 1996 Assistance by State and Local Police hiApprehending IllegalAliens Exin bit A for reasonable suspicion. See Orhorhaghev. INS, 38 F.3d 488, 497-98 (9th Cir. 1994). c. Neither the ramshackle appearance of the vehicle, nor the unkempt, illdressed, and nervous appearance of the passengers in itself provides a sound basis for reasonable suspicion. See United States v. Ortega-Serrano,788 F.2d 299 (5th Cir. 1986). d. As outlined by the Supreme Court in Brignoni-Ponce, 422 U.S. at 88485, the following are some of the common factors that an officer may rely upon in combination with one another in determining whether a vehicle or its occupant aliens may be detained on reasonable suspicion of INA violations: (1) characteristics of the area in which the vehicle is encountered (e.g., an established thoroughfare for alien smuggling); (2) proximity of that area to the U.S. border; (3) usual patterns of alien-smuggling traffic, including the time of day favored for such activity; (4) knowledge that illegal border crossings have recently occurred in the area where the vehicle is spotted; (5) the driver's extraordinary behavior or driving irregularities, such as a sudden and abrupt exit from the highway onto an exit ramp (see RodriguezSanchez, 23 F.3d at 1493) or similarly striking evasive maneuvers that exceed the merely negligent; (6) telltale characteristics of the vehicle or its passengers (e.g., "The vehicle may appear to be heavily loaded, it may have an extraordinary number of passengers, or the officers may observe persons trying to hide." Brignoni-Ponce, 422 U.S. at 885). e. Other examples of the "more particularized information" that courts require to justify reasonable suspicion detentions of vehicles or passengers include the following, see Hernandez-Alvarado,891 F.2d at 1417: (1) tips from informants that a specific vehicle or address is being used for smuggling or concealing illegal aliens; (2) evidence that a pickup or delivery of aliens is likely to be made in a particular place and at a particular time, derived from observable facts (e.g., large numbers of footprints leading to a highway on a known alien-smuggling route and then discontinuing at the same roadside point, see United States v. Cortez, 449 U.S. 411, 419-21 (1981); (3) forms of particularized behavior associated with the evasive tactics used in illegal entry, such as manifestly coordinated evasive behavior and slouching or similar unusual movements designed to avoid detection of vehicular passengers, see United States v. Garcia-Nunez,709 F.2d 559 (9th Cir. 1983); and (4) persons manifestly conducting counter-surveillance or serving as lookouts. 2. Detention on the Basis of Suspected Misdemeanor Violations and the "Pretext" Issue 10 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 35 1996 Opinions of the AttorneyhGeneral in Volume 20 Ex ibit A Both an alien's failure to carry alien registration documentation and a first offense of illegal entry into the United States constitute federal misdemeanors. See 8 U.S.C. 1304(e) 6 and 1325. We are advised that these are the provisions of the INA that would most commonly provide the basis for a reasonable suspicion that transient aliens have committed or are committing a crime. Reliable indications that the suspect is an alien, coupled with his failure to produce alien registration documentation or a "green card," may provide probable cause for an arrest under the lack of documentation provision of 1304(e). See Mountain High Knitting, Inc., 51 F.3d at 218; Martinez, 831 F.2d at 828. In the former decision, however, the Ninth Circuit raised some doubts concerning reliance on 1304 as an independent basis for warrantless alien arrests. Without actually resolving the issue, the court indicated a strong predisposition to accept the aliens' contentions that the INS did not actually arrest them for violating the lack of documentation provision and that arrests on that basis were only a pretext for civil arrests on suspicion of illegal entry for purposes of deportation. Mountain High Knitting, Inc., 51 F.3d at 218. On the basis of those contentions, the Ninth Circuit remanded the case for the district court to assess "whether reasonable INS officers would have arrested appellants solely for violating 1304(e) absent suspicion of illegal entry." Id. at 219. With respect to 1325's illegal entry provision, the Ninth Circuit has held that, while the lack of documentation or "other admission of illegal presence may be some indication of illegal entry," it does not without more provide probable cause for a violation of 8 U.S.C. 1325(a). Mountain High Knitting, Inc., 51 F.3d at 218; Gonzales, 722 F.2d at 476-77. The Ninth Circuit has also stressed the significance of the distinction between illegal entry (a crime that is subject to enforcement by state officers) and mere "illegal presence," which generally provides grounds only for civil deportation and is therefore not subject to non-federal enforcement. Id. That distinction has additional significance for purposes of California law, which requires that warrantless arrests for misdemeanors (such as a first illegal entry violation) may only be made when the offense is committed in the arresting officer's presence. 7 These considerations have raised concerns as to the viability of these frequentlyviolated federal misdemeanor provisions as a basis for lawful detention or arrest of alien suspects by state officers. Subject to the particular factual circumstances and established federal prosecution practices, we nonetheless believe that Cali6he requirements of 8 U.S.C. 1304(e) apply only to aliens who have been registered and issued a registration receipt card. See United States v. Mendez-Lopez, 528 F. Supp. 972 (N.D. Okla. 1981). An alien's failure to register with INS after remaining in the United States for 30 days or longer is separately prohibited under 8 U.S.C. 1302. Violations of the latter section are punishable by up to six months imprisonment under 8 U.S.C. 1306 and consequently also constitute misdemeanors under California law. 7 Ihis requirement could present special problems in connection with the illegal entry misdemeanors-which have been considered complete and consummated (and thus no longer subject to an officer's personal observation) when the alien has reached a "place of repose" within the United States. See Gates. 193 Cal. App.3d at 216. This issue is discussed in further detail in section I.C.3, infra. 11 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 36 1996 E in ibit A Assistance by State and Local PolicexhApprehending Illegal Aliens foria police may validly rely upon the INA's misdemeanor offenses, as well as its felony offenses, in detaining alien suspects on reasonable suspicion of a federal criminal violation. We base this conclusion on several considerations. Initially, we do not believe that the restrictive "pretext" holding in Mountain High Knitting should be considered generally applicable to investigative detentions of the type at issue here. Although Mountain High Knitting subjected a fullfledged arrest (based on probable cause of a 1304(e) violation) to additional scrutiny for pretext, it does not purport to establish a general rule imposing this second layer of scrutiny upon the reasonable suspicion assessments that suffice to justify preventive detention. By definition, a reasonable suspicion does not entail the same degree of specificity and certainty regarding the suspected offense as does a determination of probable cause. s In this regard, the courts have specifically upheld the validity of Terry detentions imposed by state officers in order to allow for the arrival of federal officers to make a more informed, expert assessment of probable cause. As explained by the Sixth Circuit in upholding a 45-minute detention of drug suspects to await arrival of trained DEA agents: "The sheriff's deputies were not trained as drug agents and needed the DEA agents' expertise to confirm or dispel their suspicions." United States v. Winfrey, 915 F.2d 212 (6th Cir. 1990), cert. denied, 498 U.S. 1039 (1991). This view is further confirmed by the Supreme Court's repeated observation that, in assessing the reasonableness of Terry stops, "the Fourth Amendment does not require a policeman who lacks the precise level of information necessary for probable cause to simply shrug his shoulders and allow a crime to occur or a criminal to escape." United States v. Montoya de Hernandez, 473 U.S. 531, 544 (1985); Adams v. Williams, 407 U.S. 143, 145 (1972). As a general rule, therefore, we do not believe that state officers can be expected to make subtle judgments concerning the vagaries of federal prosecution policy in exercising their authority to detain suspects on reasonable suspicion that a criminal violation of the INA has occurred. Such complex assessments may properly be left to the federal officers who are responsible for making probable cause and arrest determinations when they arrive at the scene of detention. Thus, unless the state and local police are privy to firm and specific information that federal officials will not prosecute INA misdemeanor violations, we believe they may impose investigative detention based on reasonable suspicion that an alien has not registered with the INS as required, is not in possession of required registration documentation, or has illegally entered the United States. Although the lack of proper documentation does not, without more, provide probable cause for arrest based on an illegal entry violation, the Ninth Circuit has acknowledged that it "may be some indication of illegal entry." Gonzales, "This point is well-illustrated in Ramirez-Sandoval. 872 F.2d at 1395, where the Ninth Circuit upheld a reasonable suspicion detention based upon circumstances which indicated merely that the occupants of a parked van "may wcll have been engaged in illegal activity." 12 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 37 1996 Exh bit A Opinions of the Attorney iGeneral in Volume 20 722 F.2d at 477. Accordingly, we believe that in appropriate circumstancese.g., where there are other objective indicators of illegal entry, such as the time, place, and circumstances of the suspect's movements-lack of proper documentation may provide grounds for reasonable suspicion that an alien has committed an illegal entry. Armed with such reasonable suspicion that a federal crime has occurred, it is appropriate and consistent with relevant precedent for state officers to detain the undocumented alien for a reasonable period pending an expert determination of probable cause and suitability for arrest by the Border Patrol or other INS agents. See Winfrey, 915 F.2d at 217-18. Again, however, such reasonable detention practices would be vulnerable to challenge on the "pretext" grounds invoked in Mountain High Knitting if federal authorities have made it clear that illegal entry misdemeanors will not be prosecuted and that the sole remedy to be pursued for such violations is civil deportation. Additionally, it is not clear that the California Code's provision that warrantless misdemeanor arrests can only be made when the misdemeanor was committed in the officer's presence is necessarily applicable to otherwise valid investigative detentions. In terms, that provision applies only to arrests, see Cal. Penal Code 836(a) (West 1994), and investigative detentions under Terry are legally distinct from full-fledged arrests. In that regard, the California Court of Appeal described the California standard for investigative detentions as follows: An investigative detention is justified when the facts and circumstances known or apparent to the officer, including specific or articulable facts, cause him to suspect (1) a crime has occurred and (2) the person he intends to detain is involved in the criminal activity. (In re Tony C. (1978), 21 Cal.3d 888, 893, 148 Cal. Rptr. 366, 582 P.2d 957.) In re Carlos M., 220 Cal. App.3d 372, 380, 269 Cal. Rptr. 447, 452 (Cal. App. 4 Dist. 1990) (emphasis added). Significantly, the investigative detention standard requires only reasonable suspicion that a "crime" has occurred, and not necessarily a felony. Accordingly, while we would defer to the California legal authorities' interpretations of California law, we believe that alien suspects may be detained by state officers on reasonable suspicion of a misdemeanor violation of the INA even though the officer did not personally observe commission of the offense and therefore could not himself lawfully undertake a warrantless arrest of the suspect under California law. Although the state officers might not themselves be able to arrest the federal misdemeanor suspects - at least absent probable cause that a separate state felony has been committed - their authority to assist federal officers in doing so is well established. 3. Illegal Entry as a Basis for Arrest-the Complete or Continuing Offense Issue 13 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 38 1996 Assistance by State andLocal Police in ibit A Exh Apprehending Illegal Aliens As indicated above, special questions have been raised concerning the utility of the illegal entry statute, 8 U.S.C. 1325(a), as a basis for detention or arrests by state officers. In United States v. Rincon-Jimenez, 595 F.2d 1192, 1194 (9th Cir. 1979), the Ninth Circuit held that illegal entry is not a continuing violationthat is, the offense is complete for statute of limitationspurposes upon the alien's successful entry into the United States. In Gonzales, the Ninth Circuit indicated that Rincon-Jimenez also stands for the proposition that a 1325 violation is also complete "at the time of entry" for purposes of determining whether the offense has been committed in the presence of an officer under applicable state law. See 722 F.2d at 475-76. Since 1325 is a misdemeanor, a California officer cannot make a warrantless arrest for its violation unless it is committed in his presence. In light of these considerations, in Gates v. Superior Court, the court held: "Once an alien has reached a place of repose within the country, the misdemeanor of improper entry ends. At that point, an LAPD officer may not arrestfor this offense because it did not occur in the officer's presence." 193 Cal. App.3d at 216 (emphasis added). We should note, however, that aspects of the Supreme Court's opinion in INS v. Lopez-Mendoza, 468 U.S. 1032 (1984), cast some doubt upon the proposition that an illegal entry violation is complete upon entry and therefore cannot be considered a "continuing" crime that can be observed by an officer after the alien has cleared the border. In that opinion, the Court stated that the presence of an unregistered alien who had entered the United States illegally "without more, constitutes a crime" and that such an alien's "release within our borders would immediately subject him to criminal penalties." Id. at 1047. Notwithstanding the dissent's specific invocation of the holding in Rincon-Jimenez, id. at 1057 (White, J., dissenting), the Court stated, "We need not decide whether or not remaining in this country following an illegal entry is a continuing or a completed crime under 1325." Id. at 1047. If the Court were to view an undetected illegal entry as a continuing crime, the "committed in the presence" requirement of California law would present no obstacle to warrantless arrests of illegal entrants by California officers. Absent an authoritative clarifying decision on this issue, however, warrantless arrests by California state officers for illegal entry violations must be considered legally invalid when the alien has already completed his entry into the United States. The law is not clear, however, as to exactly when an illegal entry is complete for purposes of determining whether it has occurred in the presence of the arresting officer. Without explanation, analysis, or citation of authority, the Gates opinion tersely states that an illegal entry is complete for that purpose when "an alien has reached a place of repose within the country," 193 Cal. App.3d at 216. Despite its lack of analysis, this statement remains the most authoritative interpretation of the California "in presence" requirement as applied to illegal entry viola- 14 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 39 1996 Opinions of the Attorneyhibit A in Volume 20 Ex General tions. Applying that interpretation, we do not believe that aliens apprehended in the vehicle in which they have illegally crossed the border would be held to have reached a "place of repose" within the United States as long as the apprehension occurs before the aliens have been delivered to their immediate arrival destination within the United States. Cf. United States v. Aslam, 936 F.2d 751, 755 (2d Cir. 1991). Under those circumstances, we believe warrantless arrests would be permissible under the formulation adopted in Gates. In any event, we believe that reasonable suspicion that such illegal entry has occurred enables state officers to detain such alien suspects for reasonable periods pending evaluation, processing, and possible arrest by Border Patrol officers. That raises the question of what constitutes a reasonable period for such purposes. D. Length of DetentionIssues In light of the San Diego Police Force policy of limiting the detention of alien suspects (pending the arrival of Border Patrol assistance) to 20 minutes, you have inquired whether longer detention periods of, for example, one hour would be consistent with Fourth Amendment requirements. Where the police have probable cause to arrest the alien suspect, periods of detention lasting one-hour or more would present no constitutional problem. See United States v. Mondello, 927 F.2d 1463, 1471 (9th Cir. 1991) (90-minute detention of drug suspect upheld where positive canine sniff test had already established probable cause). The pertinent time limitation in the arrest context is the requirement that the arrestee must generally 9 be given a probable cause hearing before a magistrate or judge within 48 hours after arrest. Thus, an alien suspect who may be legitimately regarded as under arrest may be detained for periods exceeding one-hour pending the arrival of Border Patrol agents or other necessary federal enforcement resources. However, where the detention follows a mere investigative stop based on reasonable suspicion under Terry v. Ohio, 392 U.S. 1 (1968)for example, where probable cause for arrest is lacking and does not materialize during the stop -detention for an excessive length of time under the circumstances may violate the Fourth Amendment's standard of reasonableness. In United States v. Sharpe, 470 U.S. 675, 685 (1985), the Supreme Court established that there is "no rigid time limitation on Terry stops," but that a stop may be excessive if it involves "delay unnecessary to the legitimate investigation of the law enforcement officers," id. at 687. 10 As the Court more fully explained in upholding a 20-minute detention: The temporal limitation on detention of an arrestee without a magistrate's or judge's determination of probable cause may sometimes be less than 48 hours (i.e., the delay must never be "'unreasonable" under the circumstances) and sometimes more (i.e., when there is a "bona fide emergency or other extraordinary circumstance"). See County ofRiverside v. McLaughlin, 500 U.S. 44,56-57 (1991). foWe do not believe that United States v. Place, 462 U.S. 696 (1983) establishes a hard rule that a detention for as long as 90 minutes, whether of luggage or person, is per se excessive and unreasonable. There, the Court held that the 90-minute detention of a suspect's luggage to anange for a canine sniff test was excessive and unreason9 15 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 40 1996 Assistance by State and Local PolicexhApprehending IllegalAliens E in ibit A While it is clear that "the brevity of the invasion of the individual's Fourth Amendment interests is an important factor in determining whether the seizure is so minimally intrusive as to be justifiable on reasonable suspicion," we have emphasized the need to consider the law enforcement purposes to be served by the stop as well as the time reasonably needed to effectuate those purposes. Much as a "bright line" rule would be desirable, in evaluating whether an investigative detention is unreasonable, common sense and ordinary human experience must govern over rigid criteria. Id. at 685 (quoting United States v. Place, 462 U.S. at 709 (citations omitted)). The Court reiterated this pragmatic approach to the length-of-detention issue in Montoya de Hernandez, where it upheld the reasonableness of a 16-hour border detention of a suspected alimentary canal drug-smuggler. As the Court stated: Here, respondent was detained incommunicado for almost 16 hours before inspectors sought a warrant; . . . . This length of time undoubtedly exceeds any other detention we have approved under reasonable suspicion. But we have also consistently rejected hard-andfast time limits, Sharpe, supra; Place, supra, at 709, n.10. Instead, "common sense and ordinary human experience must govern over rigid criteria." Sharpe, supra, at 685. 473 U.S. at 542. However, the 16-hour detention in Montoya de Hernandez occurred in the border context, and the holding therefore should not be considered generally applicable to detentions outside the border area. Thus, the Supreme Court has expressly rejected the imposition of rigid, arbitrary time limits upon the permissible duration of detention for Terry stops. Instead, the reasonableness of the detention is evaluated in light of the particular purpose of the stop in question and the time "reasonably needed" to take necessary and appropriate measures to achieve that purpose. The dispositive question is whether the detention is "unnecessarily prolonged." Sharpe, 470 U.S. at 685. I1 Guided by these considerations, various federal courts have upheld Terry detentions ranging in length from 20 minutes to two hours. E.g., Sharpe, 470 U.S. able under the circumstances. Id. at 709. The Supreme Court's subsequent opinion in Sharpe, however, expressly limited Place's reach by stressing that in Place the police had possessed prior knowledge of the suspect's arrival time, could therefore have made advance arrangements for more expeditious processing, and thus had not acted diligently in pursuing their investigation. 470 U.S. at 684-85. Sharpe thus makes clear that the police's exercise of reasonable diliger.ce, rather than any arbitrarily-drawn time limit, is the crucial factor in determining Fourth Amendment reasonableness in this context. ISharpe's specific rejection of rigid, preconceived limitations on the duration of Terry stops is consistent with the Supreme Court's more recently-stated emphasis that Fourth Amendment requirements for prompt probable cause hearings following warrantless arrests do "not impose on the States a rigid procedural framework. Rather, individual States may choose to comply in different ways." County of Riverside, 500 U.S. at 53 (vacating as erroneous a Ninth Circuit panel's contrary holding that "no flexibility was permitted," see id. at 54). 41 16 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 41 1996 Opinions of the Attorney ibit A in Volume 20 Exh General at 687 (20-minute detention not unreasonable); Bloomfield, 40 F.3d at 917 (onehour detention of motorist to await drug-sniffing dog held reasonable); United States v. Adams, 39 F.3d 1178 (4th Cir. 1994) (unpublished opinion) (45-minute detention upheld as reasonable); United States v. Frost, 999 F.2d 737, 741-42 (3d Cir.), cert. denied, 510 U.S. 1001 (1993) (detention of nearly one hour to await drug dog held reasonable); Courson v. McMillian, 939 F.2d 1479, 1491 (11 th Cir. 1991) (30 minutes not unreasonable for an investigatory stop); Jackson v. Wren, 893 F.2d 1334 (6th Cir. 1990) (unpublished opinion) (detention for over two hours to await arrival of DEA agents upheld); United States v. Hardy, 855 F.2d 753, 761 (lth Cir. 1988), cert. denied, 489 U.S. 1019 (1989) (50-minute roadside detention to await drug dog held reasonable); United States v. Davies, 768 F.2d 893, 902 (7th Cir.), cert. denied, 474 U.S. 1008 (1985) (45-minute detention "for further questioning and advice from their superiors" held a valid investigative stop); United States v. Willis, 759 F.2d 1486, 1497 (11 th Cir.), cert. denied, 474 U.S. 849 (1985); (25-minute detention upheld); United States v. Borrero, 770 F. Supp. 1178, 1189-91 (E.D. Mich. 1991) (70-minute detention by DEA agents at airport held reasonable). It should be noted, however, that an opinion issued by a Ninth Circuit panel in 1994 suggests a more restrictive approach to the length-of-detention issue. In United States v. $191,910.00 in U.S. Currency, 16 F.3d 1051 (9th Cir. 1994) ("Currency"), Judge Reinhardt held that the 90-minute detention of a drug suspect's luggage, pending the arrival of a drug-sniffing dog, was in itself sufficient to invalidate the seizure under the Fourth Amendment. Relying heavily on the Supreme Court's baggage-detention ruling in Place-while seeking to minimize the Court's subsequent emphatic rejection of "rigid time limitations" in Sharpe 12- the court adopted the view that the Place opinion established an "outer boundary of permissible seizures" that falls "somewhere short of 90 minutes." Currency, 16 F.3d at 1060. We believe that this aspect of the Currency holding is irreconcilable with the Supreme Court's holdings in Sharpe and Montoya de Hernandez. As demonstrated in the quotes set forth above, the Sharpe opinion repeatedly and unmistakably emphasized that the constitutionality of Terry stops may n6t be mechanically measured against any pre-ordained time limitation. It held that the establishment of such a time limitation "is clearly and fundamentally at odds with our approach in this area." 470 U.S. at 686. Yet that is precisely what the panel purported to ordain in the Currency case ("the detention of Morgan's baggage violated the Fourth Amendment solely because of its length"). 16 F.3d at 1060. 12 The Currency court's broad application of the Place ruling is incompatible with the Supreme Court's narrowing interpretation of that same ruling in the Sharpe opinion. See supra note 10. As the Court explained in Sharpe, "[1n Place, we expressly rejected the suggestion that we adopt a hard-and-fast time limit for a permissible Terry stop." 470 U.S. at 686. ihis emphatic and unambiguous holding in Sharpe was studiously ignored by the panel opinion in the Currency case. See 16 F.3d at 1060 n.17. 17 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 42 1996 Ex in Apprehending Illegal Aliens Assistance by State and Local Police hibit A Notwithstanding our view that Currency's adoption of a fixed time limit for Terry stops is erroneous - a limit that would fall "somewhere short of 90 minutes," but certainly no lower than 30 minutes 13 -that opinion has neither been overruled nor directly refuted by subsequent Ninth Circuit opinions. Accordingly, the approach reflected in the Currency opinion should be taken into account in formulating enforcement guidelines in this area. Moreover, it is significant to note that the Currency opinion imposed a 90-minute limitation on luggage detentions; it is reasonable to expect that that panel might be inclined to impose stricter limita*tions on detentions of persons. However, considered in conjunction with the more authoritative Supreme Court holding in Sharpe, as well as more permissive Ninth Circuit opinions such as Mondello, we believe that the Currency opinion should be interpreted no more broadly than its holding specifically requires-i.e., that investigative detentions may not exceed 90 minutes in duration. To extrapolate a still more restrictive rule for the Ninth Circuit (e.g., a rule treating one-hour stops as per se unreasonable) would ascribe to the Currency opinion more weight than is warranted by its juridical authority relative to Sharpe, Mondello, and other less restrictive precedents. Cf. County of Riverside, 500 U.S. at 54-55 (where the Supreme Court rejected a comparably restrictive and "inflexible" Fourth Amendment interpretation by a Ninth Circuit panel). We believe that the necessity of detaining immigration suspects until Border Patrol/INS agents arrive is analogous to the necessity of detaining drug suspects pending the arrival of DEA agents or drug-sniffing dogs for purposes of evaluating the duration of detention for reasonableness. In both situations, the purpose of the delay is to allow for the utilization of enhanced investigative or enforcement resources that are necessary to effectuate the legitimate purpose of the investigative detention. See Winfrey, 915 F.2d at 217 (45-minute detention of drug suspects by local officers to await arrival of federal DEA agents upheld, where "[t]he sheriff's deputies were not trained as drug agents and needed the DEA agents' expertise to confirm or dispel their suspicions"). Accordingly, the precedents upholding various periods of detention as reasonable to permit the arrival of DEA agents or drug-sniffing dogs provide valid guidelines for determining a reasonable period of detention in the immigrant suspect situations posed here as well. Based on those precedents, we believe that if Border Patrol agents exercising reasonable diligence require 45 minutes to one hour to reach the scene of detention, detentions of that length would be sustainable under Sharpe where there is reasonable suspicion that the detained aliens have violated the federal immigration laws. We caution, however, that when Border Patrol Agents do not promptly arrest the dea"Sce Maondello, 927 F.2d at 1471, where another Ninth Circuit panel (Trott, J.) upheld the reasonableness of a 30-minute investigative stop to permit the arrival of drug-detecting dogs. There is no suggestion in Currency of disagreement with Mondello's approval of a 30-minute Terry detention. 18 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 43 1996 Exh General Opinions of the Attorney ibit A in Volume 20 tainees, the additional period of detention required by them should be counted in calculating the permissible duration of detention. Police Force Policies.We note that further complications may arise in this area from the language contained in written guidelines or policies used by state or local police forces. For example, if such guidelines specify that subjects may only be detained based on reasonable suspicion of criminal activity that is unrelated to the immigration laws, the legal basis for detentions pending the arrival of Border Patrol agents could be undercut. Sharpe requires that an extended Terry detention must be related to "the law enforcement purposes to be served by the stop," 470 U.S. at 685, and Border Patrol assistance is obviously not needed to deal with criminal activity unrelated to immigration status. It is our understanding that the need for expanding the maximum alien-suspect Terry detention period from 20 minutes to as long as one-hour is premised upon the time required for Border Patrol agents to arrive on the scene to further investigate and process the INA violation. Under Sharpe, such extended detention must be related to the law enforcement purposes to be served by the stop or the further reasonable suspicions arising during the stop. However, if a Police Force policy states that detentions may only be made for non-immigration enforcement purposes, detentions imposed to await the Border Patrol would be vulnerable to challenge based on the limiting language of the policy. To minimize this complication, state and local police forces could be urged to modify their policies or guidelines to remove provisions indicating that Terry stops and detentions of undocumented aliens must be based on reasonable suspicion of criminal activity that is unrelated to immigration status or enforcement of federal immigration law. In sum, we conclude that "reasonable suspicion" detention of undocumented aliens by local police for periods in the range of 45 to 60 minutes should comply with Fourth Amendment requirements when that much time is required to enable Border Patrol agents to arrive at the scene exercising reasonable diligence. This assessment presumes that the involved local police force does not disavow any purpose of assisting federal enforcement of the immigration laws in making such stops. Although the Supreme Court's Sharpe opinion expressly repudiates any rigid time limitation on reasonable stops under Terry, we caution that the Ninth Circuit panel opinion in the Currency case has held that stops of 90 minutes, and perhaps less, are per se unreasonable under the Fourth Amendment. Accordingly, we would not recommend adoption of a guideline establishing a period any greater than 45 to 60 minutes as a benchmark for maximum permissible detention periods. Moreover, any guidelines or benchmarks adopted in this area should stress that the maximum permissible period is premised upon the assumption that such a time period is needed to allow for the arrival and assistance of Border Patrol agents or other necessary support resources. Guidelines or rules should indicate that extended detention periods ranging roughly from fifteen minutes to an hour are only justified when that much time is genuinely needed to carry out 19 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 44 1996 Ex in Apprehending Illegal Aliens Assistance by State and Local Policehibit A the permissible objectives of the stop. Allowing for the arrival of Border Patrol agents to properly handle the suspected violation of federal immigration law provides such justification. E. Transportationof Aliens by StatelLocal Police Given the difficulities of Border Patrol agents promptly reaching the scene where state officers have stopped alien suspects, you have asked whether it would be lawful for the state police to transport the suspects to the federal officials instead. The constitutional issue is whether such involuntary transportation would necessarily transform a valid investigative detention into an arrest that would violate the Fourth Amendment in the absence of probable cause. In Hayes v. Florida, 470 U.S. 811 (1985), the Supreme Court held that the line between investigative detention and full-fledged arrest is crossed when the police "forcibly remove a person from his home or other place in which he is entitled to be and transport him to the police station, where he is detained, although briefly, for investigative purposes." Id. at 816. Similarly, in United States v. Recalde, 761 F.2d 1448 (10th Cir. 1985), the court upheld the Fourth Amendment claims of a drug suspect who "was taken from a public highway without his consent and transported five miles to a police station, where he was placed in a small room for further investigation and questioning." Id. at 1456. The Ninth Circuit invoked the Supreme Court's opinion in Dunaway v. New York, 442 U.S. 200 (1979), to the same effect in Gonzales v. City of Peoria, 722 F.2d at 477: If the seizure involves anything more than the brief and narrowlydefined intrusion authorized by Terry, it must be justified by probable cause. Dunway, 442 U.S. at 212; Brignoni-Ponce, 422 U.S. at 882. Dunway makes absolutely clear that where the defendant is transported to the police station and placed in a cell or interrogation room he has been arrested, even if the purpose of the seizure is investigatory, rather than accusatory. Because such a seizure constitutes an arrest, it must be supported by probable cause. Id. at 477 (some citations omitted). See also United States v. Obasa, 15 F.3d 603, 608-10 (6th Cir. 1994) (holding that a detention following a highway taxi stop ripened into an arrest when the defendant was searched, given Miranda warnings, and transported back to the airport police station). These opinions reflect the view that the involuntary transportation of Terry detainees to a confined and coercive setting for further interrogation or investigation transforms the detention into an arrest, and can therefore be sustained only on the basis of probable cause. Other opinions, however, have recognized that special circumstances may sometimes permit the limited transportation of Terry detainees without entailing an 20 of 23 HeinOnline -- 20 Op. Off. Legal Counsel 45 1996 Exh General Opinions of the Attorney ibit A in Volume 20 unconstitutional arrest. The circumstances justifying such transport were summarized by the Ninth Circuit in United States v. Baron, 860 F.2d 911 (1988), cert. denied, 490 U.S. 1040 (1989), following a survey of the precedents: The principles that we distill from these cases are that the police may move a suspect without exceedi

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