- 'Demand Tracker' posts fake ads offering juveniles for sex
- Callers' numbers are recorded in a public database
Join the CNN Freedom Project on March 14 2017 for #MyFreedomDay -- a day-long event when students around the world will be holding events to raise awareness of modern slavery.
Atlanta (CNN)Renee Shelby doesn't have your average job. She comes into work at Atlanta-based non-profit YouthSpark, fires up her computer, and surfs the "adult" sections of sites like Craigslist and Backpage.com. But she's not looking for sex ads, she's posting them.