The 1980s gave audiences unforgettable movie surprises, from terrifying nightmares to mysterious disappearances and shocking family secrets. What makes some of these stories even more fascinating is that their strangest elements came from actual events, documented cases, or experiences described by real people. Hollywood often changed the details, but the original inspirations could be just as unsettling. Here are some remarkable examples, including a few where the truth behind the movie is still disputed.