to really understand how sex is being sold in williston, wendy regularly goes to bars and hotels known as prostitution hot spots. >> why are you frequenting all of these places so often? >> i want to get to know their faces. i want to get to know how the game is played here. the only way i can do that is by being out where they're at. >> there are allegedly a lot of girls out here who have been trafficked from different parts of the country. so we're wearing a hidden camera, with the hope that we can see some of these girls. a lot of them, in all likelihood are under pimp control and would be very difficult to get them to talk freely. so we're hoping to catch the atmosphere and see what happens. >> i'm going to take you to some