Almost 30 years after Olof Palme's assassination, the discovery of Stieg Larsson's work on the mystery convinces one man the answers are within reach.

As Stieg Larsson's files are unpicked, a complex picture of Olof Palme emerges, and the archive leads to three people who may have been involved.

As Stieg Larsson's files are unpicked, a complex picture of Olof Palme emerges, and the archive leads to three people who may have been involved.

Jan Stocklassa takes bigger risks as he pieces together the loose strands of Stieg Larsson's files and hands his work to the police.