Mannen på taket (1976)

Police lieutenant Nyman is murdered in his hospital bed and Martin Beck and his colleagues have another murder to solve. They discover that Nyman was a very brutal and tough policeman who received many complaints about his brutality. Particularly interesting is a complaint from Åke Eriksson, whose wife died in police custody because of Nyman. Eriksson climbs up on a roof in central Stockholm and starts to shoot at people on the street below...