take the case of bobby singleton, a homeless man who was murdered to prevent him from testifying against a gang member. singleton s body was found under the l.a. bridge and he was shot in the head and the neck five times and it was overkill say police, and a warning to others never to speak to police. soledad brock was still grieving for her son ronald when seven months after her son was killed, her other son, angel, who was in a gang was killed in a barrage of gun fire. he was approached by a couple of different gang members, rival gang member, he and another fellow and a major gun fight ensued. the problem with that one, anderson, was that even though we know how many guns were involved, we had .009 millimeter, and seven rounds and carbine rounds and it was a gun fight. the problem with it is that we know how many guns were there and who was involved, but we don t know who pulled the trigger first.