repeat offenders, they won't discuss anything with the girl. they tell them to get in the car. in the girl won't get in the car, they drive away. >> because they know. >> they have already been through it and they know. >> as tammy returns to her corner, she reports officers a pimp checking her out. pimps often pose the biggest threat in the sting operation. >> when pimps come k by are they trying to scare them off the corner. >> they are hoping the girl will make eye contact with them. if they make eye contact, if she has a pimp and looks at another pimp, that gives the green light to the pimp to get her and bring her to his stable. >> can you believe those rules are for real. how can you prove your out of pocket. >> we had decoys in california and sacramento, one of the decoys was standing on the corner and the pimp drove by. she wasn't really aware he was a