sergei terikhov, a veteran of counterintelligence, at one time exposed a traitor recruited by the cia in moscow. yes, 1984 was, in general, a challenge. to the leadership, a task was set, i looked at the letter that came from intelligence, a very serious letter, the first time i saw one of particular importance, and sheet 4, 4/5, was written by hand and typewritten there literally, that is , it is so secretive, because the speech went to encrypt the source of information, in particular ames, who reported that there was a mole in the second main department. that is, there is a traitor, well, there began and there were certain signs according to which we began to work, the kgb became worried because of the espionage dust, that was the name of the secret drug rubin, this is a special substance with which it was possible to track the movement of employees of the enemy station in moscow, it was used to treat cars and those places where an agent or resident could potentially visit, it was impossible to wash off this reagent, this made it possible to detect ... because, firstly, this becomes