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 ...

Though additive manufacturing wouldn’t exist for another 40 years, the prolific American sci-fi author Murray Leinster penned a 1945 short story featuring a spookily prescient description of what we ...

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 ...