Question: What horror film, typically involving a violent psychopath stalking and murdering several people, was Caitlin Gerard in? 
Sentence (from "Slasher film"): Although the term "slasher" is sometimes used informally as a generic term for any horror movie involving murder, analysts of the genre cite an established set of characteristics which set these films apart from other horror subgenres, such as splatter films and psychological horror films.
Relevant evidence: No