and faith wambua-- she and her two young children had played dead all that time. nce and were instantly shot at. as a man approached them, faith held her position. but he wasn't a terrorist. he was a police officer. baby, baby, touching my daughter. baby, baby, are you ok? are you ok? and i said, "wow." in my mind, i'm thinking this must be a good person. they want the family to feel ok. not are we alive, are we ok? and then he said, "it's safe. it's safe. it's the police." kate snow: faith's nine-year-old daughter was the first to move. my daughter put up her head, not quiet hesitant, and asked him, "are you with the bad guys?" because, i mean, i was still looking down. i was scared. i thought, now they have come where we are. so my daughter had really put her head up. it was too late to even tell her to go back down. engaged the policeman in a conversation. are you with the bad people? and then said, mama, look up. craig melvin: and then, almost against her instincts, faith began to trust. when i looked up, i'd seen his civilian jacket. i didn't know who he was.