MSNBC Undercover

Meet 46-year-old Carlissa, who is perhaps the day’s saddest case for the Cook County Human Trafficking Task Force. This grandmother of two who has been in the game for years has outlived her usefulness to a pimp, and now sells herself for $20 to anyone he demands.

Join our crew as they head back to San Francisco to learn what really happens inside the city’s numerous massage parlors.

A dangerous new trend has risen among today’s pimps—tattooing or “branding” their victims.

This man says he was just trying to flirt with the undercover officer, but she says he was trying to solicit her for sex. Watch “The Men Who Buy” on MSNBC Undercover.

In the shadow of the Magic Kingdom is the dark business of sex for sale.