State attorneys general are pressuring Craigslist to crack down on the posting of erotic services on the classified-ads website. Scrutiny of the website's postings has increased after the killing of a masseuse who police believe was found through a Craigslist ad. Craigslist has stated that it is shielded from federal prosecution, but that it has already removed 95 percent of inappropriate postings. Larry Mantle finds out more about the controversy from LA Times reporter David Sarno and Stanford cyberlaw expert Ryan Calo.