I huvudet på en mördare - Season 4

Jimmie Andersson was 22 years old and previously unpunished when he murdered a 73-year-old woman. The time before the murder he had become isolated and the thoughts of murder had begun to occupy more and more of his time.

Early one morning, Susanne is on her way to work. What she doesn't know is that her former partner is waiting for her, armed with a rifle. What drives a decent man to brutally murder the woman he loved?

Henrik Lugn is released from prison in April 2018, two days later he has murdered his partner. Ex-girlfriends tell how Henrik could be charming and loving only to have a tantrum the next second.

In 1989, a 10-year-old girl is found raped and murdered. Six months later, a 26-year-old woman is found murdered. The murders would remain unsolved for almost 15 years before a tip led the police to Ulf Olsson.

After a photo shoot in August 2010, Andreas Johansson strangles a 17-year-old girl to death and rapes her. The investigation will show that he spent his days chasing young teenage girls online.

The shootings in Rödeby in 2007 divided Sweden into two camps. How could a grown-up father of several children with great courage shoot a 16-year-old and kill a 15-year-old with his rifle, and also avoid prison time?

When David Sjöblom was arrested for a brutal robbery-murder in 2001, the police had no idea what awaited. During the course of the investigation, he begins to confess to several crimes. Is David a serial killer or just a mythomaniac?