Teens who are involved in sexting and posting lewd comments on social networks risk getting arrested. That warning came from John Walsh, television host of America’s Most Wanted, and James Andrews of Everywhere, at the National Teen Summit on Internet Safety. The Summit, sponsored by Cox Communications, enlisted teens from around the nation on Tuesday morning. Walsh reminded teens of the dangers of social networking sites and cell phones and how to avoid legal issues. Andrews is a social media expert who recommends that teens use privacy settings on Facebook, just like their favorite celebrities do. Watch the Summit below: