My only question is what exactly started it. I mean, if they're not supposed to be there, the cop should go over there and say "hey, get the hell our of there." and then the kids leave. What the hell else could happen? I mean, unless a kid said "hey, go fuck yourself" or something, there really shouldn't have been any conflict. both sides are totally at fault, cause a) this kids had to be retarded to start a conflict and b) the cop must have been retarded to allow a situation for the kids to start a conflict.
Not sure if that made sense.