The book by the writer, historian and publicist A. A. Ikonnikov-Galitsky is dedicated to an action-packed and quite relevant topic: revolution and crime. The author talks about the criminal side of the events of 1917 in Petrograd; about the rampant crime that swept the city and the country after the February, and especially after the October Revolution; about the connection between revolutionary ideology, robberies and murders; about what political forces and leaders inspired and led the world of crime, as well as about how the fight against crime led to the establishment of the Red Terror. The book is written on the basis of extensive material: newspaper and magazine judicial and police chronicles, special research, archival materials.