"did you call dave wallace?" i say, "yeah."s badge up, and he said, "i'm dave wallace." i said, "oh, lord!" >> narrator: smith tells detectives that moore has offered to forgive his $63,000 debt if he helps her out. when they tell him what they've learned, he decides to cooperate with police. >> so, from that point forward, the investigation definitely takes a turn, and now we've got somebody on the inside. >> narrator: smith figures out the perfect way to help. he removes the top from a red bull can, then inserts a digital recorder. whenever he meets with moore, he has it in his car like it's an ashtray. she has no idea. >> i didn't want to tell him at the time, but i'm thinking, "damn, that's a good idea!" [ chuckles ] you know? "i wish i had thought about this back whenwas in narcotics!" >> narrator: on january 6th, moore and smith meet at this hotel. >> she was like, "come in! come in!" she was like, "listen -- put your gloves on." "put my gloves on?!" she was like, "i don't want none of your hair to get stuck in the comput