U.S. Reds Go Underground To Foil F.B.I., Hoover Says; 540,000 Communists and Followers Seek Our Atomic, Military, Industrial Secrets, He Tells Closed Senate Unit Session HOOVER DISCLOSES RED UNDER GROUND Orbit" of Red Control Spreads Surplus Secreted for Future"
Dir Hoover seeks more funds, Apr 3 testimony before Sen subcom made pub