The Guardian World · Aug 15, 2026

Double jeopardy could spell end of state case after Luigi Mangione’s guilty plea

Defense argues New York cannot try Mangione over same act or offense as federal case – the killing of Brian Thompson Luigi Mangione ’s plea to federal stalking charges in UnitedHealthcare CEO Brian Thompson’s death has spurred questions about the fate of the separate Manhattan murder case against him, with experts saying New York’s double-jeopardy law could derail that trial.