About the book: 2021 / The textbook examines the problems of the formation and development of domestic state security agencies. Based on new archival materials and historical research, it reveals the activities of government institutions that carried out the functions of intelligence, counterintelligence and political investigation from 1880 (the formation of the Police Department of the Ministry of Internal Affairs of Tsarist Russia) and until February 1922 - the establishment of the State Political Administration (GPU) ) RSFSR.