The Exorcist III 

Year: 1990

Director: William Peter Blatty

Plot: 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.

Rotten Tomatoes: 60%

Marcela Notes: This one's got some wild imagery that left me shooketh. The scissors scene? Traumatized to this day. So brief and so impactful. Funny to me how I love the first and third installment of this trilogy, but pretend the second one doesn't exist.