California's civil suit alleges these websites and their operators are willfully distributing 3D printed gun files and instructions that anyone to print a gun.

Earlier this year, Bragg wrote to 3D printing companies, asking them to ensure their services can’t be used to create firearms. On Saturday, Bragg announced that one such company, Thingiverse, would ...

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 ...