NEW YORK — Luigi Mangione told a prison guard he had a 3D-printed gun in his backpack after his arrest for allegedly gunning down a UnitedHealthcare executive, according to testimony at a court hearing to determine whether prosecutors can use these statements and other evidence at his murder trial. Mangione, 27, was arrested in December 2024 and charged with fatally shooting UnitedHealthcare CEO Brian Thompson on a sidewalk in Midtown Manhattan. Mangione became a folk hero to some critics of steep U.S. healthcare costs. Public officials condemned the assassination.

Mangione’s statements to law enforcement and the contents of his backpack could be key pieces of evidence at his trial, but his lawyers argue they should be inadmissible because he was illegally searched and not given notice of

See Full Page