These were fitted on vintage motorcycles and at some point in the 60's or 70's taken out of usage, and in fact are illegal almost everywhere. In Japan, two wheelers do not require a front license ...
Prosecutors described Routh's setup as a "sniper's nest," outfitted with two bulletproof plates and a scope taped to his gun. A U.S. Secret Service agent spotted Routh near the course's sixth hole.