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

Luigi Mangione pleaded not guilty to federal murder charges in the death of UnitedHealthcare CEO Brian Thompson. Prosecutors ...

Mangione, wearing a tan prison suit with a long-sleeved T-shirt, leaned forward toward the microphone and said "Not guilty" ...

Mangione, an Ivy League graduate from a prominent Maryland real estate family, faces separate federal and state murder ...

NEW YORK (AP) — Luigi Mangione pleaded not guilty Friday to a federal murder charge in the killing of UnitedHealthcare CEO ...

Luigi Mangione, 26, could face death penalty if convicted in federal court for killing of UnitedHealthcare CEO Brian Thompson ...

Luigi Mangione pleaded not guilty Friday to the murder of UnitedHealthcare CEO Brian Thompson in his federal death penalty ...

Luigi Mangione pleaded not guilty Friday to the murder of UnitedHealthcare CEO Brian Thompson in his federal death penalty case — as a judge warned government prosecutors ...

Luigi Mangione, who is accused of shooting UnitedHealthcare CEO Brian Thompson dead in New York City, has entered a plea of ...