Social media posts from Luigi Mangione show the man suspected of killing UnitedHealthcare CEO Brian Thompson underwent ...

Prosecutors at the Manhattan District Attorney's Office have begun presenting evidence to a grand jury as they work to secure ...

Investigators have uncovered evidence that Luigi Mangione had prior knowledge UnitedHealthcare was holding its annual ...

The ghost gun allegedly in Luigi Mangione's possession when he was arrested has been matched to three shell casings recovered ...

Police said Luigi Mangione, the man charged in the killing of UnitedHealthcare CEO Brian Thompson, appears to have had a ...

The murder of Brian Thompson — and the public’s reaction to it — shows that frustration with corporations has reached a fever ...

"Brian was one of the good guys. He was certainly one of the smartest guys," Witty wrote. "I'm going to miss him." ...

A video shared online of Alpha Studio venture capitalist Brian Thompson speaking at a 2012 entrepreneurs’ workshop is ...

Of more than 200 tips sent to the NYPD regarding the murder of UnitedHealthcare CEO Brian Thompson, none named suspect Luigi ...

Videos showed posters featuring the words: "Wanted. Denying medical care for corporate profit. Health care CEOs should not ...

Here's what we know about UnitedHealthcare CEO Brian Thompson, who was shot to death in Manhattan on Wednesday, Dec. 4.

Luigi Mangione, who was detained at a McDonald's in Altoona, Pa., has been identified as the suspect believed to have shot ...