Prosecutors in Pennsylvania argue police acted lawfully while collecting evidence and arresting accused killer Luigi Mangione ...

Manhattan federal prosecutors are seeking the death penalty in Mangione's case, alleging that he intentionally killed ...

Luigi Mangione pleaded not guilty Friday to stalking -- travel interstate commerce, stalking -- use of interstate facilities, ...

Months after Luigi Mangione was charged in the shooting of UnitedHealthcare CEO Brian Thompson, the 26-year-old pleaded not ...

Luigi Mangione has pleaded not guilty to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson, as ...

Pennsylvania prosecutors say Altoona police properly detained Luigi Mangione, the suspect accused of killing UnitedHealthcare ...

Luigi Mangione, the 26-year-old accused of killing UnitedHealthcare CEO Brian Thompson, pleaded not guilty Friday to all ...

Prosecutors say Mangione deserves the death penalty because he killed CEO Brian Thompson to provoke broad "resistance" to the ...

Luigi Mangione has pleaded not guilty in the execution-style slaying of UnitedHealthcare CEO Brian Thompson.