Black Christmas (1974)

Right before Christmas an unseen psycho sneaks into the attic of a Canadian sorority house. The girls are terrorized by the stranger who makes frightening phone calls to them. The girls are then murdered one at a time during their Christmas break. If this movie doesn't make your skin crawl... It's On Too Tight! Starring Olivia Hussey, Keir Dullea, Margot Kidder, John Saxon, Marian Waldman, and directed by Bob Clark.
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