In this episode police inspector Bertil Salin talks about the "hotel murder" in Visby, 1996. Professor Leif GW Persson theorizes on the unsolved case. Camilla Kvartoft visits the Kumla prison and gets a unique roudtrip of this high security facility. Crime History: The escape from the Kumla prison in the 1970's. Studio guest apperance by professor Niklas Långström from Karolinska institutet who among other things talks about the effect of imprisonment on crime and criminals.