extensive analysis, the House Select Committee’s Lopez Report concluded that these and other CIA statements about tapes having been erased before voice comparisons could be made conflicted with sworn testimony, the information on other cables, and the station’s own wiretapping procedure.[151] Although FBI director Hoover was angry at not having been let in initially by the CIA on “the false story re Oswald’s trip to Mexico,” from this point on the FBI cooperated in revising its story, too, to cover the CIA’s tracks.