Crimes of Passion (Swedish: Mördaren ljuger inte ensam, literal translation: The Killer Does Not Lie Alone) is a series of six feature length crime films from 2013, based on six of the early novels by the prolific Swedish crime novelist Maria Lang (real name Dagmar Lange), written in the late 1940s and early 1950s. The films were co-produced by Svensk Filmindustri and Swedish commercial broadcaster TV4.