The Exorcist (film series) search for the missing footage is "ongoing". An upcoming book titled "The Evolution Of William Peter Blatty's The Exorcist III: From Concept To Novel To Screen" by author Erik Kristopher Myers will reveal the whole story behind the film's development, and publish never-before-seen images, the original script, studio notes, various drafts of the story as it has evolved, and interviews with Blatty, Brad Dourif, Mark Kermode, John Carpenter, and many others associated with the film. Myers in an interview said that "The Exorcist III" "has sort of turned into horror genre’s equivalent to Orson Welles' "The Magnificent Ambersons", in that
The Exorcist into the legitimacy of Merrin's exorcism of Regan in the first film. In flashback sequences, we see Regan giving Merrin his fatal heart attack, as well as scenes from the exorcism of a young boy named Kokumo in Africa many years earlier. "The Exorcist III" appeared in 1990, written and directed by Blatty himself from his own 1983 novel "Legion". Completely ignoring the events of "Exorcist II", this book and film presented a continuation of Karras' story. Following the precedent set in "The Ninth Configuration," Blatty turned a supporting character from the first film – in this case, Kinderman —