michigan state trooper sanchez. unarmed and wearing a wire, trooper sanchez is about to brave the unknown. >> okay. uc is making a turn in. i'm going to go by and double back. >> officers must stay close enough to protect sanchez without blowing his cover. they know that somewhere nearby a pimp is lurking and watching. >> okay. room number's 214. it's going to be on the west side. >> okay. we'll pull around to the back. >> slowly and carefully the other units begin to creep in closer to the target. >> uc's at the door, knocking. the door's opening. uc's inside. >> officers listen anxiously to the static filled exchange. they know that sanchez's safety depends on their ability to track and act on every detail. suddenly a big man appears and