erica, ashley, niccole. the vast majority being sold on the internet. white girls, black girls, hispanic girls, asian girls. the youngest went missing when she was 13 years old. a lot of them have something in common. may be in the company of an adult male. may be in the company of an adult male in this case, that adult male is most likely the pimp. a group called a future not the past commissioned a study. they focused on the men who try to buy sex on line with underage girls. >> the results were staggering. 7,200 men a month find sex from adolescent girls took my breath away. >> there's no legal obligation to report ads that involve underage prostitution. it includes link to help them