conspiracy theories of their own. namely, that johnson himself was behind kennedy's death. the source saying ussr believed there was well-organized conspiracy on the part of the ultra right in the united states to affect a cou approximate. they received a direct warning before oswald's own murder before a jail transfer. a day before oswald was killed, hoover says the fbi office in dallas received a phone call from a man talking in a calm voice and saying he was a member of a committee organized to kill oswald and shared that information with the dallas police chief who assured us adequate protection would be given. however, this was not done. oswald's killer, jack ruby, maintained he acted alone and denied making the call. and more may be coming. a white house official telling cnn the president was unhappy with the level of redactions