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 ...

Researchers have demonstrated a technique that allows people who manufacture metal machine parts with 3D printing technologies to conduct automated quality control of manufactured parts during the ...

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 ...