The idea is simply to point a gun at a man's head, and fire.
He pointed his gun at her head and walked forward.
She moved toward him, froze as the gun came up to point at her head.
With one hand I'm pointing a gun at my head.
Why in God's name was he pointing a gun at his head?
I was behind him, with the weapon now pointing at his head.
He called to one of the firefighters, said something, and pointed at his head.
A year ago you walked in here and pointed a gun at my head.
"Seems like he would have pointed the gun at his head."
Or would you point it at my head and make me do what Warden wants?