Well I have to say how was he to know they didn't have guns. You never know what they have until it's to late. So maybe he was scared and feared what they might have. But pulling them and not killing them was stupid cause if they did have guns in their car then it could have ended bad for you. Because I'm sure you put your guns down before they got out of sight. So always be prepared for the worse but never pull unless you plan on shooting and always shoot to kill. So if at some point you start to think you was in the wrong for shooting them nobody is there to say you was.