Despite secured DNA, witnesses and other technical evidence the double homicide in Linköping is yet to be solved.

Professor Leif GW Persson theorizes on the shootings in Malmö.

Leif GW Persson and Camilla Kvartoft investigates the circumstances regarding the double homicide in Brattås, 2005. An elderly couple was murdered at their farm and the offender is still at large.

Professor Leif GW Persson investigates the yet unsolved murder of Nils Bergman in Skärholmen, 2002.

Professor Leif GW Persson investigates the unsolved homicide of Dennis D'Agostino in Nacka, 2000.

Professor Leif GW Persson talks about "Kapten Klänning", former chief of police Göran Lindberg who was convicted of battering and rape.

This week's episode has money as a theme.

In this episode police inspector Bertil Salin talks about the "hotel murder" in Visby, 1996. Professor Leif GW Persson theorizes on the unsolved case.

Professor Leif GW Persson theorizes about the homicide of 16-year old Anders Gustafsson who was murdered in Hammarbyhamnen, Stockholm, New Year's Eve 1994.

Three years ago Anders Hagberg, 38 years old at the time, was found at a pedestrian path in Täby. Neither police nor his relatives know what happened to him - there are no traces after the murderer. Anders' sister Kristina reminisces the days after the incident.