The Torso — Helene Tursten

Part of a human torso washes up on a beach near Goteborg, Sweden. It is so mutilated that gender is only established by DNA testing. A similar crime, now several years old, remains unsolved in Denmark. Detective Inspector Irene Huss is dispatched to Copenhagen to liaise with police there in pursuing the killer. Then a third corpse is discovered. This time it's identified. She is a girl Detective Huss knew; she was asked by the girl's mother to locate her missing daughter. The next victim, the son of the woman heading the Copenhagen crime squad, is also known to Huss. She fears the killer is tracking her, killing people with whom she is connected. There is even a chilling suggestion that he or she is one of her colleagues.