The author of the book, a former KGB colonel, is based entirely on archival materials. It shows in detail the “technology” of counterintelligence activities of the SD, Abwehr, Gestapo in recruiting, training and sending provocateurs into the underground organizations of the Latvian Resistance and partisan detachments. The author convincingly proves the unprofessionalism of those Soviet intelligence officers who replaced its personnel destroyed as a result of Stalin's repressions. The book is addressed to all readers interested in the history and specifics of the work of intelligence and counterintelligence.