As far as I know, the rules of engagement don't allow for the killing of those that are no threat: i.e. the minivan with the kids in it that got shot up when tr

As far as I know, the rules of engagement don't allow for the killing of those that are no threat: i.e. the minivan with the kids in it that got shot up when trying to help the wounded. They could have fired a few warning shots and the van would have fled, but instead they murdered the passengers.