This explains why Kyle had the AR-15. He had been standing guard duty with others over a car lot that had been torched before, then he took the weapon with him through the violent riots.
He was carrying after guard duty through an area of extreme violence.
Why would he go through such an area?
Because he could not know ahead of time where the street criminals would appear.
Makes perfect sense.
yes but he should have taken a buddy with him to watch his six