A former University of Pennsylvania student has pleaded not guilty to all federal charges in Thompson’s case. Learn all about Luigi Mangione here.

New York prosecutors have charged Luigi Mangione, 26, with murder in the shooting death of United Health Care CEO Brian ...

The insurance executive was killed outside a Manhattan hotel in what police called a "premeditated, preplanned targeted attack." The NYPD continued to track down several good leads in Thompson's ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The killing of UnitedHealthcare CEO Brian Thompson has sparked renewed ...

Investigators found shell casings with the words "deny," "defend" and "depose" written on them at the scene where a gunman shot UnitedHealthcare CEO Brian Thompson dead outside a New York City hotel ...