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Tell Us Which Conspiracy Theory Freaks You Out The Most

Trust no one.

Everyone's dug themselves into a deep internet research hole at some point, so it's likely you've come across a wild conspiracy theory or two.

Maybe you've heard that Paul McCartney actually died in 1966, and now a lookalike stands in his place.

Perhaps you've studied up on Cicada 3301, an anonymous group that's posted impossible puzzles online, presumably to recruit people to the NSA or CIA.

Or maybe you've fought with your friends over whether or not the sinking of the R.M.S. Titanic was planned or not.

Conspiracy theories are so interesting, even though they're scary as shit. So, tell us: What's the freakiest one you've ever heard of?

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