About the book: 2024 / New from the SPIEGEL bestselling author. Axel Petermann served in the criminal police for 40 years and investigated more than 1000 cases involving death or injury . He mastered the advanced technologies of the FBI and successfully introduced profiling methods in Germany. In his book, the expert author studies the bizarre sexual fantasies of a maniac; investigates a murder that has not been solved for almost 20 years; describes the features of the psyche of a sadistic killer. Axel Petermann answers questions about what the profiler is told about criminals: - more than 30 wounds on the victim's body; - an ear cut off from a corpse; - pieces of fabric with which a woman was tied; - attempts by the criminal to kill the victim with several ways at the same time. This three-crime bestseller gives you the opportunity, together with the most famous investigator and profiler in Germany, to take part step by step in the investigations of the most complex and unusual murders from his practice. The publishing layout is saved in PDF A4 format.