Holding: The detention of a noncitizen ordered removed from the United States who reenters without authorization is governed by 8 U.S.C. § 1231.
Judgment: Reversed, 6-3, in an opinion by Justice Alito on June 29, 2021. Justice Thomas filed an opinion concurring except for footnote 4 and concurring in the judgment, in which Justice Gorsuch joined. Justice Breyer filed a dissenting opinion, in which Justices Sotomayor and Kagan joined.