. >> 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 graham river, and 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 michigan's growing underground sex trade. >> put your hands together like you're praying, okay? >> a lot of these girls have either ran away from home or not had the support at home or a lot of them feel they're not getting the attention at all at home. so, when they leave home, these predators, these pimps, they start to locate them, they manipulate them, they groom them and now they feel like they're loved, someone cares about them. whether it's mental, physical, emotional abuse, it's still some 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. >> you see he's heading for the door. >> close-cover officers monitor the