>> according to police, one of the ring leaders was this woman, teresa perish. at her peak, investigators say she was banking $9,000 to $10,000 a day in boosted merchandise. >> i want to read you your rights. okay, you're under arrest. you're not free to leave. we want to get your cooperation. >> we know about your boost at the flea market and everything else, and we know about all that stuff. >> for seven months, investigators from the retail giant target helped polk county build their case, watching and documenting the crime ring in action. >> they can work in the house, cover each other's b...