minutes. so those -- bin laden and his wives on the third floor would have had plenty of time to know that the house was under assault to. hear the gunfire, hear the explosions, blowing off the door to the second floor, to hear the shots that killed his son, the wailing, i presume, the crying of women and children. so you could understand that s.e.a.l.s were now on the second floor. feel a sense of urgency about getting up the third before somebody starts shooting down at them. >> so how is it that you ended up the number two man on the stairs to the third floor? >> just luck. just the way that it worked. the guys ahead of me, based on our tactics, we know the guy in front stays in front and everyone behind him when there's other stuff going on, they need to get to that threat and take care of the threat which would be other people, other rooms, other doors. more important we need to clear that level before we go up. and part of me was we just need to get it done now.