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Which Non-American Murder Case Scares The Hell Out Of You?

They're all pretty messed up.

Howdy, folks. Stories about murder are fascinating, and while quite a few American cases are very popular, it's time to chat about international ones.

Maybe you're blown away by the story of Colin Ireland, the British man who made a New Year's resolution in 1993 to become a serial killer — and followed through.

Perhaps you know about Polish killer Krystian Bala, who was caught because he slipped clues about the murder he committed into a book he wrote.

Or maybe you've heard of the Australian Crawford family murder, where a father killed his entire family by driving them off a cliff.

We wanna learn about your favorite international murder cases, so tell us which ones have always interested you.

Let us know in the Dropbox below for a chance to be featured in an upcoming BuzzFeed Community post or video.