A police lieutenant uncovers more than he bargained for as his investigation of a series of murders, which have all the hallmarks of the deceased Gemini serial killer, leads him to question the patients of a psychiatric ward.
The Exorcist III is a 1990 American psychological horror film written and directed by William Peter Blatty. It is the third installment of The Exorcist franchise and a film adaptation of Blatty's novel, Legion (1983). The film stars George C. Scott (Firestarter ), Ed Flanders, Jason Miller, Scott Wilson and Brad Dourif. This is the only The Exorcist film not to be distributed theatrically by Warner Bros., though Warner Bros. subsequently gained international distribution rights.