True crime is scary enough on its own, but there are also some crazy theories on these crimes that'll send shivers down your spine.
Maybe you've heard of the insane theory that Charles Manson's killings were a social experiment ordered by the CIA.
Perhaps you know that people think "War Of The Worlds" narrator and director Orson Welles killed the Black Dahlia all by himself.
Or maybe you're aware that people assume Elisa Lam was possessed by a demon before her death in 2013.
True crime conspiracy theories can be truly frightening, so tell us: What's the creepiest one you know of?
