WASHINGTON (AP) — Justice Department officials are turning to the 3D-printing industry to help stop the proliferation of tiny pieces of plastic transforming weapons into illegal homemade machine ...

Two weeks ago, agents raided their home in Colorado Springs and found around 300 machine gun conversion devices and four Glock-style ghost guns. "This is really mind-blowing.

Middle District of Alabama Acting U.S. Attorney Kevin Davidson said Wednesday arsenal of “switches” is the largest single seizure of machine gun conversion devices recorded in the Montgomery area.