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

Prosecutors referenced alleged diary entries they say Mangione wrote in the months leading up to the shooting of ...

Manhattan prosecutors said of Luigi Mangione’s handwritten diary entries, “If ever there were an open-and-shut case pointing ...

Luigi Mangione pleaded not guilty Friday to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson as prosecutors formally declared their intent to seek the death penalty ...

A Manhattan grand jury indicted Luigi Mangione on charges ... Prosecutors have also accused Mangione of second-degree murder, ...

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 was indicted Thursday on a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson, a required step as prosecutors work to make good on the Trump administration ...

Luigi Mangione pleads not guilty to federal death penalty charge in killing of UnitedHealthcare CEO Mangione, 26, stood with his lawyers as he entered the plea Friday, leaning forward toward a ...