And all of these measures would grossly interfere with the lawful operation of 3D printers.

FORBES: Congressman Says He'll Propose Ban On 3D-Printable Gun Magazines

On September 26, 2012, McCay pleaded guilty in federal court to one count of attempting to interfere with the authorized operation of an aircraft flying in the United States.

FORBES: Shotgun And Laser Fired At Biplane And Helicopter