About the book: 2021 / Here is a unique book - a symbiosis of detective and documentary. Everything told is not just based on real events, you will encounter real ones criminal cases, murderers, victims and investigators. The author for the first time reveals many professional secrets of the investigation, without using fiction. Based only on the texture of criminal cases and moving along with the characters of the book in their investigation, as if taking part in it on equal terms, the reader learns many exciting details about the work of an investigator, one of the most difficult, responsible and fascinating professions. The book includes five documentary stories about the most striking criminal cases that were processed by the Investigative Committee of Russia from the first day of the establishment of the department until the present day: the chilling story of the Kushchevskaya gang, the case of the Taganrog maniac, large thefts of budget funds in Moscow region, the murder of Anna Politkovskaya and the mass death of Bulgaria passengers».