UnitedHealthcare CEO Shooter Allegedly Used a 3D-Printed Gun It might be the first time someone used a 3D-printed gun to carry out an assassination.

Authorities are now confident that the weapon recovered from suspected CEO shooter Luigi Mangione was 3D-printed.

The fact that even a relatively old model of 3D-printed firearm allegedly allowed Mangione to shoot Thompson repeatedly on a Manhattan street—certainly the most high-profile shooting ever ...

For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ballistics and serial numbers of weapons checked via a vast network of gun ...

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 ...

President Biden on Thursday will sign a new executive order on gun violence prevention, aiming to crack down on 3D printed guns and to improve active shooter drills at the nation’s schools. T… ...

The 26-year-old suspect arrested for killing United Healthcare’s CEO may have used a 3D-printed gun to carry out the shooting, according to investigators.