dozens more had words that used youth as a selling point. the fair fund investigates juvenile trafficking. and most of the young people that we've worked with who have been exploited online talk about craigslist. they don't talk about the other sites. craigslist is like the walmart of allline sex trafficking right now in this country. >> we post ads around, like, four, five and wait for you to get a call. wait to get a call. >> from everything that we understand, when they are being spotlighted by a pimp or trafficker, more accurately described, the trafficker's keeping the money. >> and if i didn't get it, yeah. he would be mean. >> we're here at george washington university and we just found out that craig newmark, the founder of craigslist, is going to be speaking here today at a tech conferen conference. he doesn't know we're coming. he's been very media shy about all the allegations against him. this guy is the craig in craigslist. it's his list.