of the story. >> you do this sort of thing all the time? >> no. >> i was just frustrated. >> a lonely guy. >> some moments that shock and surprised even us. >> can you explain yourself? >> i'm sorry. >> this is "predator raw." we rent a house. our people wire it with hidden cameras and microphones. volunteers from the online watchdog group act as decoys, chat rooms, profile and underage and they sit and wait and then next thing you know the guy's knocking on our door trying to have a sexual liaison with a 12, 13, 14-year-old boy or girl. when's great about going back to the "raw" tapes is we can look at things that give us a better idea of how these guys' minds work. why does a 56-year-old man on his lunch hour walk into a house where he thinks a 13-year-old boy is home alone? how do you get theresome initially we look at it, okay. some of this. from this guy. some of this from that guy. we have an hour.