Luigi Mangione, who is accused of shooting UnitedHealthcare CEO Brian Thompson dead in New York City, has entered a plea of not guilty as prosecutors say they are seeking the death penalty

Luigi Mangione, the man accused of gunning down UnitedHealthcare’s CEO Brian Thompson in an assassination-style ambush in Midtown Manhattan on Dec. 4, 2024, is awaiting trial on his state and federal murder charges.

Luigi Mangione, the Maryland man accused of hunting down and killing a UnitedHealthcare CEO over what prosecutors said was "hostility toward the health insurance industry," pleaded not guilty at his Manhattan federal court arraignment on Friday to what could be death penalty charges.