Novelty from the best-selling author SPIEGEL. Axel Petermann served in the criminal police for 40 years and investigated more than 1000 cases related to 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 failed to solve for nearly 20 years; describes the features of the psyche of the killer-sadist. Axel Petermann answers questions about what the profiler is told about the criminals: - more than 30 wounds on the victim's body; - ear cut off from the corpse; - pieces of fabric with which the woman was tied; - attempts by the offender to kill the victim in several ways at the same time. This best-selling trukrime makes it possible, together with Germany's most famous profiler investigator, to take part in investigations of the most complex and unusual murders from his practice step by step.