[quote=So Boerd]
Turns out the kid had just robbed a store, which might explain possible aggression.
[/quote]

Shoplifting a pack of cigarettes and shoving a store clerk doesn't warrant the use of lethal force against a fleeing target. 

Realize that the people that 'protect you' are nothing more than filthy animals with ever-increasing stockpiles of military-grade hardware and a superiority complex.