with eyewitness accounts are surfacing about sunday night, a night of music turned into a fight for survival. chief white house correspondent john roberts is traveling with the president but we begin with trace gallagher. images from sunday's shooting and the latest on the investigation. >> the associated press reporting stephen paddock requested the room in the mandalay bay so he could fire down on the concert crowd from two separate windows. ee also had three separate cameras aimed at the hallway so he could see one police were closing in. we are learning a great deal more about the deadly first 10 minutes. [gunfire] newly released police body cam video shows what responders on the ground as the attack in las vegas unfolded. >> they are shooting right at us. stay down. stay down.