An Arizona police officer was critically injured in a recent incident involving a "ghost gun." What exactly are these murky ...

Six months after Luigi Mangione was charged in the fatal shooting of UnitedHealthcare CEO Brian Thomson, to which he has pleaded not guilty, state prosecutors released copies of his “manifesto.” ...

New York prosecutors in the Luigi Mangione case​ released a new filing Wednesday that includes copies of handwritten notes they say Mangione wrote outlining his plot and motivation for killing ...

Prosecutors say, to Luigi Mangione, Brian Thompson and UnitedHealthcare were symbols of the healthcare industry and what the ...

Luigi Mangione revealed he wanted to kill Thompson to "prove a political point about the health insurance industry." ...

Diary entries written by Luigi Mangione reveal the now 27-year-old’s detailed thinking ahead of the alleged killing of UnitedHealthcare CEO Brian Thompson last year, a new court filing shows.

Luigi Mangione, 26, was dressed in an orange jumpsuit as officers led him from a vehicle into the courthouse in front of a slew of cameras. Mangione shouted something that was partly ...

Luigi Mangione pleads not guilty ... as he addressed U.S. District Judge Margaret Garnett. Mangione asks for laptop to prepare for legal case while awaiting trial in killing of UnitedHealthcare ...