opinion: FLORES-VILLAR v. UNITED STATES
  No. 09-5801.
  Argued November 10, 2010
  Decided June 13, 2011
  Steven F. Hubachek, by appointment of the Court, 559 U. S. 1105, argued the cause for petitioner. With him on the briefs were Elizabeth M. Barros and Vincent J. Brunkow.
  Deputy Solicitor General Kneedler argued the cause for the United States. With him on the brief were Acting Solicitor General Katyal, Assistant Attorneys General West and Breuer, Sarah E. Harrington, Donald E. Keener, Carol Federighi, Robert N Markle, and William C. Brown.
  Briefs of amici curiae urging reversal were filed for the American Civil Liberties Union et al. by Sandra S. Park, Steven R. Shnpiro, T.enma M. Lapidus, Lee Gelernt, Lucas Guttentag, Jennifer Chang Newell, and David Blair Loy; for Equality Now et al. by Martha F. Davis; for the National Immigrant Justice Center et al. by Brian J. Murray, Charles Roth, and Stephen W. Manning; for the National Women’s Law Center et al. by Deanne E. Maynard, Brian R. Matsui, Seth M. Galanter, Marcia D. Croenberger, and Dina R. Lrnsow; for Profceoors of History ot al. by Lorclie S. Masters and Lindsay C. Harrison; and for Scholars on Statelessness by Max Gitter.
  Michael M. Hethmon filed a brief for the Immigration Reform Law Institute as amicus curiae.
  Per Curiam.
  The judgment is affirmed by an equally divided Court.
  Justice Kagan
  took no part in the consideration or decision of this case.