What horror film, typically involving a violent psychopath stalking and murdering several people, was Caitlin Gerard in? 
Smiley (2012 film): Smiley is a 2012 American psychological slasher horror film directed by Michael Gallagher and made by Level 10 Films. Slasher film: Slasher films are a subgenre of horror films, typically involving a violent psychopath stalking and murdering several people, usually with bladed tools.
i don't know