. >> state trooper richard sanchez is part of the michigan human trafficking task force. >> they sayy girl is walking the track wearing blue jeans and a black coat, and she goes by honey. >> they combine federal and state local investigators to combat the growing under ground sex trade. >> 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. whether it's mental, physical, emotional abuse, it's still a type of affection. >> tonight, the team will be traveling from hotel to hotel. >> we have tons of motels. >> understood cover officers set up dates with women. close cover officers monitor the rendezvous. and they move in when a deal for sex has been made. the first goal is to identify and rescue juveniles from traffickers. >> i'm not from here. >> how old are you? >> 18. >> in this case, the young woman is 18 but she's not from detroit, and investigators suspect she's being traffick