This document discusses efforts to curb sex trafficking on the classified advertising website Backpage.com. It provides statistics on human trafficking cases in the US and notes that the majority involve sex trafficking. It discusses legal protections for websites under Section 230 of the Communications Decency Act and various attempts to sue Backpage that were dismissed based on these protections. However, some cases argued Backpage actively designed its site and policies to facilitate trafficking. Revelations in 2017 suggested Backpage contractors actively created ads, contradicting claims of neutrality. A congresswoman called for a criminal investigation of Backpage under sex trafficking laws.