Video: Defensive pistol use neutralizes attacker

[SouthPaw]

The Mozambique Drill,[1] also known as the Failure Drill, Failure to Stop drill, or, informally, "two to the chest, one to the head,"[2] is a close-quarters shooting technique that requires the shooter to fire twice into the torso of a target (known as a double tap to center of mass), rapidly assess whether the target has been stopped, and follow up if necessary with a more difficult head shot that, if properly placed, will instantly kill.[

This.