Moments after John Hinckley shot President Reagan and three others, Secret Service Agent Robert Wanko brandishes an Uzi, while two men scramble for Hinckley's dropped gun on the sidewalk. 1981

Moments after John Hinckley shot President Reagan and three others, Secret Service Agent Robert Wanko brandishes an Uzi, while two men scramble for Hinckley's dropped gun on the sidewalk. 1981