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                                                                Order Code RS22748
                                                                    October 26, 2007





         C0RS Report for Congress



      The Circumstances In Which an Officer
      May   Ask Questions Concerning Alienage

                                Yule Kim
                                Law  Clerk
                         American   Law Division

Summary


     This report provides a short overview of the circumstances in which a law
 enforcement officer may ask questions concerning alienage. Generally, any officer may
 freely ask someone questions about his or her alienage status so long as the individual
 can refuse to answer. However, if questioning is sufficiently coercive, it can rise to the
 level of a Fourth Amendment seizure, which, depending on the circumstances, requires
 either probable cause or reasonable suspicion to justify. This report does not discuss
 custodial interrogations.


 Introduction

    This report discusses the circumstances in which a law enforcement officer may
question an individual about his alienage status without running afoul of a constitutional
protection. It provides background on the legal framework governing these interrogations
and discusses the salient legal issues that may arise. As a general rule, an officer may
freely ask an individual questions concerning his alienage status so long as the individual
can refuse to answer. It is only when the circumstances surrounding the questioning cease
to be consensual and become coercive that the encounter becomes a seizure and triggers
the Fourth Amendment prohibition against unreasonable searches and seizures. This
report does not discuss custodial interrogations.

Background On The Fourth Amendment

    All persons, including aliens, enjoy Fourth Amendment protections.! The Fourth
Amendment  mandates that searches and seizures of persons, houses, papers, and effects





1 See Yick Wo v. Hopkins, 118 U.S. 356 (1886); Wong Wing v. United States, 163 U.S. 228
(1896).

          Congressional Research Service w The Library of Congress
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