Prepare to Scream: The Scariest Movies of All Time

M

That's right, this one is just called M. When a serial killer sets his sights exclusively on hunting children, an unnamed city begins to implode. It takes a village, or in this case, an entire secret gang of criminals, to take this villain to justice. Though you might have never seen it, this film set the precedent for all serial killer movies. That, and this movie still holds up nearly 100 years after its conception