Police now sound confident that the handgun and suppressor found in possession of Luigi Mangione, the suspect charged with the fatal shooting of UnitedHealthcare CEO Brian Thompson, were fabricated ...

Part of the gun that the police believe was used to kill the C.E.O. of UnitedHealthcare was made by a 3D printer using a popular design found online. By Thomas Gibbons-Neff and Aric Toler At first ...

Luigi Mangione, the suspect arrested in connection with the fatal shooting of UnitedHealthcare CEO Brian Thompson, was reportedly carrying a black — and possibly 3D-printed — handgun along with a ...

Luigi Mangione, who has been charged with murder in the shooting death of UnitedHealthcare CEO Brian Thompson, apparently had a ghost gun, a type of firearm that can be made at home, police said ...

For the last hour, in a backroom of a gun range in Arabi, Louisiana, I’ve been building Luigi Mangione’s gun. Well, not his, in the literal sense. The not-quite-finished firearm in my hands is very ...

A handgun built from a 3D printer was found in a vehicle at Concord High School on Thursday afternoon, according to police.

The tip came in on an encrypted messaging app: a longtime source told New York-based investigative reporter Jim Mustian that ...

Santa Rosa Police arrested a man Friday night after a traffic stop led to the discovery of suspected narcotics and 3D printed firearms, the agency announced in a news release. Shortly after 9 p.m., ...

A man has been jailed for two years for using a 3D printer to make a gun and ammunition. Police raided the home of Igor ...

FBI Director Kash Patel presented New Zealand law enforcement with gift of 3D-printed firearms, which were later disposed of ...