The gun found on the suspect in the killing of UnitedHealthcare CEO Brian Thompson matches shell casings found at the crime ...

Luigi Mangioni, the suspect in the killing of UnitedHealthcare CEO Brian Thompson, wrote online of the “devastating” effect a chronic back condition had on him as a young man.

Luigi Mangione was found with a notebook detailing the shooting plans and is currently fighting extradition to New York.

Fingerprints belonging to the man charged in last week's murder of UnitedHealthcare's CEO match those found on a water bottle recovered not far from the scene, sources say.

Fingerprints that were collected outside of the New York City Hilton Hotel on Dec. 4 after UnitedHealthcare CEO Brian ...

Long before Mangione was unmasked, the announcement of Thompson’s death online was met with hundreds of gloating laughing ...

Luigi Mangione is being held on Pennsylvania charges of possession of an unlicensed firearm, forgery, and providing false ...

The man charged with killing UnitedHealthcare CEO Brian Thompson on a Manhattan street was seen near a Port Authority bus ...

During an extradition hearing in Blair County Courthouse in Hollidaysburg, Pa., on Tuesday, Luigi Mangione's defense attorney ...

The 26-year-old Mangione, the grandson of a wealthy Maryland real estate developer, was the last person friends and neighbors ...

Luigi Mangione, 26, was arrested in connection with UnitedHealthcare CEO Brian Thompson's killing after a McDonald's employee ...

Luigi Mangione, the 26-year-old accused in the killing of UnitedHealthcare CEO Brain Thompson, will plead not guilty, his lawyer, Thomas Dickey, said.