When Nicole was age 17 and her mother was sent to prison for white collar crimes, she met a man on Facebook who offered to take care of her.

But instead of looking after her, he sold Nicole to men across the United States from Texas to Washington, D.C. It was only when she was in her early 20s, after being badly injured in a vicious rape, that she was finally able to escape sex work.

Nicole's experience is not unique.