. >> state trooper richard sanchez is part of michigan's human trafficking task force. >> they say myirl is walking the track right now by telegraph and the river. what she's wearing is blue jeans and a black coat. she goes by honey. >> the task force combines the talents of federal, state and local investigators to combat michig michigan's growing underground sex trade. >> put your hands together like you're praying, okay? >> a lot of these girls have ran away from home, or do not have the support at home or the love they feel, the attention they need at home. so when they leave home, these predators and pimps start to locate them, manipulate them, groom them, and they feel loved. somebody cares about them. whether it's mental, physical, emotional abuse, it's still a type of affection. >> tonight, the team will be traveling from hotel to hotel. >> why don't we do 16 van dike, up there, we have tons of motels. >> undercover officers set up dates with women. >> he's heading for the door. >> close-cover officers monitor the rendezvous by wire. >> knocking on the door. knocking on the do