Spy hunter. Counterintelligence textbook. Pinto O.

Orest Pinto (1889-1961)-an outstanding Dutch, British, Belgian and French counterintelligence and intelligence officer. He entered the secret service in 1913 and resigned in 1949, when he completed the work on the “filtering” of the civilian population of the Netherlands to identify German agents and collaborators.

“Hunter for spies” - “Textbook” For beginner counterintelligence, where the author frankly and in detail talks about the methods and techniques of intelligence and counterintelligence used by him during the first and Second World Wars. Illustrating your story with numerous examples from your own practice.

"Friend or enemy?" -The author’s story about his service at the headquarters of the Dutch counterintelligence service in London in 1943-1944, when he was engaged in checking refugees who arrived in England from Holland.