From the what could go wrong? department..

Boy, 8, accidentally kills self at gun show
Child was firing an Uzi submachine gun under adult supervision at fair

An 8-year-old boy died after accidentally shooting himself in the head while firing an Uzi submachine gun under adult supervision at a gun fair.
The boy lost control of the weapon while firing it Sunday at the Machine Gun Shoot and Firearms Expo at the Westfield Sportsman’s Club, police Lt. Lawrence Vallierpratte said.