ALTOONA, Pa. — The gun found on the man charged with killing United Healthcare’s CEO matched shell casings found at the site of the shooting, New York City’s police commissioner said ...

HOUSTON - New York police say a so-called 'ghost gun', believed to be the murder weapon used to shoot United Healthcare CEO Brian Thompson, was with accused killer Luigi Mangione when he was caught.

The "ghost gun" and silencer found in the suspected United Healthcare CEO killer’s backpack at a Pennsylvania McDonald’s were made using a 3D printer plus readily available metal parts ...

Police say the black pistol they found in the backpack of Luigi Mangione, the 26-year-old arrested in connection with the killing of a health-care executive, was a ghost gun: a weapon typically ...