1) Heretics of Dune - I believe this is set in the approximate time frame (and of course years after the GE's death) of Hadi Benotto finding Leto II's journals at Dar-es-Balat in the opening of GEoD.
2) Hack antics: Years after his father's death, Bri-Bri suddenly unearths the Dune 7 discs in a sealed vault (safe deposit box) and suddenly discovers a hoard of other notes of Frank's in his attic. Bri-Bri sure was channeling Hadi Benotto on that one. And much like the Rakian priesthood, thekja has suppressed any direct evidence of these findings of theirs.
First, "Heretic" = Bri-Bri. Second, not saying that the journals of Leto II in FH books are false, but that we know the feeble twosome have no imagination of their own, so I can seem them concocting a story about the discs and notes that shares such a similar theme with something in one of Frank's books.
Or has McDune so rotted my brain that I'm channeling Mel Gibson in Conspiracy
