Many people think sex trafficking only happens on foreign shores. But in America, sex slavery is thriving. Van Zeller and Foster set out to uncover the truth behind the salacious trade, focusing on the men who buy and sell women in order to work them on the streets. For someone on the outside looking in, a few questions arise. How does a young girl come into this lifestyle? And why don't they just leave?
Aired: 24 Jul 2013