Operation. it was 45 minutes since the attack had begun. >> i got the call and they said, don't go to westgate, there's a robbery and they're killing people. >> veteran war photographer of reuters news agency shot rapid bursts of pictures as he moved past the terrorists' car and found the victims of the first few minutes of the attack. >> he was coming out of one of the barracks. it was very real seeing those people, the music you could hear in the elevators, you know. >> a handful of police had arrived, but the sound of heavy gunfire had kept them out of the mall. amber lay behind the meat co...