engaged the throttle which would have accelerated the train. the question is why. john. >> thank you, erin. what an awful scene in texas. gun fire erupted at a restaurant between five rival biker gangs. the bullets finally stopped flying and nine people were dead. police say they heard there may be trouble at the twin peaks restaurant. police were there before it started and they were prepared. >> we were concerned ded of the incidents that may have heard here we have s.w.a.t. on the scene. i can tell you their action has saved lives in keeping this from spilling into a very busy sunday morning crowded central texas marketplace. thank goodness the officers were here. >> one of the questions, if the police knew this was going to be a problem and the owners knew it