:so one more had been added to the FBI's investigation of persons active in Soviet espionage between 10 February 1950 and 26 October 1950, when this memorandum was initially prepared for J. Edgar Hoover, the Director. | :so one more had been added to the FBI's investigation of persons active in Soviet espionage between 10 February 1950 and 26 October 1950, when this memorandum was initially prepared for J. Edgar Hoover, the Director. |