"Kimberly Ritter could not believe what she was seeing. Girls wearing almost nothing at all, listed on page after page of Backpage.com's escorts section. When she looked closer at the photos, she noticed something eerie. She could recognize the rooms. Ritter has become a force in the international anti-trafficking movement, where she uses her expertise to identify the mainstream middle-end and high-end hotels used by traffickers." (Quoted from article)