Because if you watch carefully, he is not aiming at the same spot, he is aiming at a moving target. The suspect was still moving, still a threat. You don't shoot to kill, you shoot to stop the threat. Someone still moving is a threat to access a weapon.
I didn’t notice that movement but it makes sense.
That’s a lot of bullets needed to stop someone.
What caliber ammo do those guys use? Anyone know?
You don’t shoot to kill,
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Depends on the circumstances. It’s always better to put a permanent end to thugs with guns. ALWAYS!