Teen arrested after 3D-printing guns

That's an awful lot of lowers you have there, son.

Photo: Detroit P.D.

A Detroit teen was arrested after authorities intercepted gun parts on the way to their home and found a 3D-printing rig and several "ghost" guns produced by it. Printing guns isn't illegal, but doing it to sell them is—and the 14-year-old now faces felony charges.

Cmdr. Ryan Connor of the Detroit Police Department's Organized Crime Un…