. >> so they joined a lawsuit filed by attorney eric bouwer who represents two other minors he says were trafficked on the same site. >> our case is simply about how backpage actually assists pimps to sell victims, including children, on their website. >> at the heart of legal battle is a nearly 20-year-old law written when the internet was just coming of age called the communications decency act, section 230. it was written to protect information and innovation on the internet, and it does that by granting immunity to websites from third-party context. >> we focused on why they are responsible for the creation and development of at least some of that content. >> backpage is arguing in this case, as it has in the past, it's not responsible for content others put on the site, and it says it's working with law enforcement to crack down on child sex trafficking postings. >> if a website itself creates content, the website can be liable for the content it creates. that is not the issue in our case because plaintiffs admitted that the ads that were written here were authored, created, posted