Deranged(2001)

It's a suspenseful game of cat and mouse when a young man sets out to capture his girlfriend's rapist --- by becoming his new roommate, judge and jury. Voted "Best Feature Film" at the New York film festival, Deranged is a psychological thriller that delves into vengeance and violence, poison and premeditation. With three mind-bending alternate endings, it's a film to make you wonder...do you really know your roommate?