what the analyst said was that you're probably going to run into khalid bin lauden on the stairs. if you do that's the last line of defense. the guy in front was sort of separated by a bannister between him and khalid. she whispered his name. he whispered come here. and that confused khalid because there wasn't a lot of yelling and screaming and go go go. he kind of turned over peeked his head over what? armed shoot so we shot him. >> that was just because of the spot on intelligence by the cia. telling us whether this person will be here. >> wekeep going up the stairs. once we got to the second floor all the guys except the first guy separated. >> there were women and children on that floor. so as the men got up to the landing on the second floor they would have sealed off down hallways, peered room by room. then of course there's a staircase leading up to the third floor. >> i was about seven guys back and clearing all the rooms. the first guy's looking up the stairs. he'd taken a shot up the stairs already before i got there. but five or six guys in front of me stood off to the