Man threatening another man with a gun, the first man points a gun at the other

Man threatening another man with a gun, the first man points a gun at the other man's head the barrel of the gun is resting on the other man's head his face is angry. The second is on his knees with his hands tied behind his back awaiting his fate with his eyes closed, his face tense and his teeth clenched., he is shirtless and there are marks of violent blow on his face and he has a black eye, he has his head down towards the ground.