Paul Harvey in cahoots with J. Edgar Hoover?

(Washington Post) ... Harvey tried to be of service beyond the FBI as well, writing in 1956 to Sen. Joseph McCarthy, who had made a name for himself by hunting down alleged Communists in the federal bureaucracy, with tips about "known Reds" at a Texas Air Force base. A senior FBI official added a handwritten notation to ensure that Harvey's letter not be distributed outside the bureau's top brass: "No dissemination since identity of Harvey cannot be revealed." Continued