MARTINSBURG, W.Va. – In the basement research lab of the agency that regulates America's firearms, two dozen 3D printers hummed, stringing thermoplastic filament into computer-designed patterns that ...

A Philadelphia man was emotionless as he accepted additional prison time, on top of the life sentence he is already serving ...

A tiny, cheap device known as a "Glock switch" or a "machine gun conversion device" allows criminals to convert a handgun into a machine gun and unleash 30-plus rounds in seconds, federal authorities ...

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 ...

WASHINGTON (AP) — Justice Department officials are turning to the 3D-printing industry to help stop the proliferation of tiny pieces of plastic transforming weapons into illegal homemade machine guns ...

LIZELLA, Ga. — A Lizella technical college student plead guilty on Monday to making untraceable 3D-printed machine guns and posting photos of them on his Facebook page, according to a press release ...

A 20-year-old Georgia technical college student has pleaded guilty to using a 3D printer to manufacture a machine gun. Federal agents seized 3D printers, multiple firearms, and silencers from the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Justice Department ...