The number of shell casings found at the scene is not predispositive of guilt. As a cop knows, you may have to fire up to 50 rounds to make sure a threatening suspect is disarmed. And when your life’s in danger, you’re operating on fear, instinct and a feel for when the danger has ceased. No one can tell you when its really over.
Have you considered fixing your computer or internet link? You just posted the same thing 25 times in this thread alone, and have been multiposting in other threads this morning. :P