Online backlash to incoming rules that will place new requirements on privately made firearms has included extremists urging followers to learn 3D printing in order to “clandestinely produce weapons ...

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 ...

The founder of a company that had planned to distribute blueprints for producing plastic firearms using 3D printers says he started selling the plans today despite an injunction blocking it because of ...

Lianu Luis Brown Delgago, 22, kept an arsenal of illegal guns at his Queens home, including untraceable ‘ghost guns,’ ...