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.

Police found a 3D-printed gun on suspect Luigi Mangione, the latest in a troubling trend of growing use of the homemade ...

A black pistol found in the backpack of UnitedHealthcare shooting suspect Luigi Mangione appeared to have been a ghost gun, ...

Gun rights activist Rob Pincus was worried when he heard a 3D-printed "ghost gun" was found on the alleged shooter in last ...

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

At first glance, the gun in the police photographs — the one the authorities believe Luigi Mangione used to kill the chief ...

When the man suspected of fatally shooting the UnitedHealthcare CEO in New York City was arrested Monday, he had a "ghost gun ...

Could the Sig P320 X-Ten Comp topple the Glock G20 as the ultimate backcountry 10mm Auto? Here's an in-depth comparison of the two.

A ghost gun is a gun made privately without a serial number on the frame or receiver, according to the Office of the Attorney General in Maryland.

New Senate bills in Michigan would require every gun to have a serial number, and existing ones would have to be serialized ...

When the New York City Police Department caught up with the man accused of killing UnitedHealth CEO Brian Thompson, they found him with multiple fraudulent IDs and a 9mm “ghost gun,” according to ...

Ghost guns really popped into the public consciousness in 2013 when John Zawahri opened fire on the campus of Santa Monica ...