But he said he did see a police officer get out of the patrol car and start walking briskly while firing on Mr. Brown as he fled.
What happened next could be what the case turns on. Several witnesses have told investigators that Mr. Brown stopped and turned around with his arms up.
This article is a summary of witness testimony. Everything mentioned in the article agrees that Wilson shot at Brown as Brown was retreating. Why is it only what happens next that matters? Isn't shooting at a retreating person in defiance of self defense?