Where do they come from? Officials said switches are illegally imported from overseas or 3D-printed locally. Because the devices can be made from plastic on a 3D printer, it means the files to ...

The use of 3D-printed guns in criminal and violent activities is likely to continue to increase. And governments and police ...

According to the Bureau of Alcohol of Tobacco and Firearms, devices that turn handguns into machine guns are being found more often in metro Phoenix.

Crime Roxbury men charged with selling 3D-printed devices that turn guns into automatic weapons So-called "Glock switches" allow guns to fire multiple rounds with a single pull of the trigger.