For the first time in such a volume and variety, the collection contains documents of foreign intelligence, counterintelligence, territorial security agencies and the border service of the USSR, reflecting the information work of intelligence in the pre-war period. The question of the extent to which foreign intelligence and counterintelligence were aware and informed the country's leadership about the impending attack of fascist Germany on the Soviet Union has long been of interest to historians around the world and the public of our country.