Why are they killing. How the FBI calculates serial killers. Douglas J., Olshaker M.

Why does the criminal kill? What motives are driving them? Resentment? Revenge? Lust? Thirst for attention and glory? One of the ancestors of criminal profiling, John Douglas, considers this question the key in understanding the personality of the killer - and, accordingly, his capture. By answering the question “Why?”, You can answer the question “who?” - And solve the riddle by catching a maniac.

Exploring different motives and methods of crimes, the legendary “Reason Hunter” John Douglas talks about the most common types of serial and mass killers. On the example of exciting stories - Unabobert’s affairs, Harvey Lee Oswald, the murder of Gianni Versace and many others - the book shows why people go to crimes and teaches us to recognize potential killers until it became too late.