United States v. Alvarez-Machain
United States v. Alvarez-Machain, 504 U.S. 655 (1992), was a United States Supreme Court case in which the Court held that the respondent's forcible abduction from a foreign country, despite the existence of an extradition treaty with said country, does not prohibit him from being tried before a U.S. court for violations of American criminal laws.
Source: Wikipedia — United States v. Alvarez-Machain (CC BY-SA 4.0)