Cop killer

pIn this penultimate installment of the classic Martin Beck series, Beck is drawn into a case that turns up mysterious echoes of his past cases. Now head of the National Murder Squad, Beck is called in to a sleepy Swedish town to investigate a woman's disappearance. When she is found already murdered, her body dredged from the bottom of a lake, suspicions swirl around Folke Bengtsson, the killer Beck caught in the first novel of the series for committing a similar murder, and who has since been released. But Beck is beginning to doubt that Bengtsson is guilty of any murder at all.