Police are now tracing ghost guns by identifying microscopic toolmarks left by 3D printer hardware Thingiverse is using automation to block the upload of dangerous weapon blueprint files Lawmakers ...

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 ...

This story was originally published by The Trace, a nonprofit newsroom covering gun violence. Subscribe to its newsletters. For decades, weapons manufacturing has been the domain of arms industry ...

Yuba County Sheriff's Department uncovered a 3D-printed gun operation, arresting three individuals in Marysville, CA.