e case, meanwhile, Mangione pleaded not guilty in 2024 to murder, weapons and fake-ID charges. If he goes to trial, his admission in federal court might be used against him.

Thompson, 50, led one of the United States' largest health insurers. His killing - with ammunition that authorities said was marked  delay,   deny  and  depose  - alarmed the healthcare industry while baring the anger that many Americans feel about it. Some people cast Mangione as a valiant figure, even as others, including public officials, said the killing was anything but heroic.

Mangione, a scion of a prominent Maryland real estate family, has undergraduate and master's degrees in computer science. He worked for a car-buying website for a time. He never had UnitedHealthcare's insurance, police said.