Career
In 1950 York told the Federal Bureau of Investigation that he had passed secrets to the Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security) since the mid-1930s, including plans for a new airplane engine of his own design and documents on the newest fighter developed by Northrop Corporation. York told the Federal Bureau of Investigation that his Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security) handler during 1941-1942 had been Bill Weisband, who had helped him buy a camera for photographing documents. York admitted he was in it for the money, although he received very little.
York"s allegation was disturbing news, implying that the Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security) had a mole in the sensitive Armed Forces Security Agency (AFSA).
York"s code name in Soviet intelligence and in the Venona project is "NEEDLE".