Video: Off-Duty Cop Accidentally Shoots Self in Elevator

First off he was a cop and second you don't whip out your gun and flash it around anywhere. Third you don't chamber a round unless you are in a situation that requires it. Forth you keep the safety on at all times. Fifth you never put your finger on the trigger until you are on target. Sixth what's a gun nut ?..is that like a football nut cause I see them everywhere, gun nuts not so much.