Lies, cannibalism, murder and Sweden's Hannibal Lecter

Sture Bergwall, known as Sweden's Hannibal Lecter, confessed to sometimes raping, murdering, cutting up and eating, over 20 victims. Convicted of eight murders, he was locked up in an institution for the criminally insane. But his last conviction has been overturned in what has turned now into Sweden's worst miscarriage of justice. Ann Törnkvist, from The Local in Stockholm, talks to Emma Wallis.