True crime, where there's nothing hotter than a cold case

Today the public's appetite for true crime – from TV shows and podcasts to the big screen – has never been bigger, as devotees of the genre even spend their time trying to solve crimes. Correspondent Luke Burbank visits the annual CrimeCon convention, and talks with Karen Kilgariff and Georgia Hardstark, hosts of the "My Favorite Murder" podcast, and professor Jean Murley, about the appeal of crime as entertainment.