Twins get a bad reputation from movies: They are shown as either satanic beings or parent-trapping little brats. Well, this reputation may not be completely unfounded. If you feel bad for being so creeped out by twins, let us share with you some true stories that range from merely weird to downright bone-chilling.

5 Swedish Twins Inexplicably Go Insane at the Same Time

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Swedish twins Ursula and Sabina Eriksson had no history of mental illness and lived normal, happy lives with their respective families. Then, one day, Ursula traveled from the U.S. to Ireland to visit her sister ... and what followed was a spree of violence and shared madness that resulted in several traffic accidents, one murder victim, and a whole bunch of baffled cops.

Sabina and Ursula were in Ireland when, for unknown reasons, they hopped on a bus to London without telling anyone. The twins were apparently behaving like hooligans whose team had just lost, so the driver kicked them out in the middle of the highway and told them to walk it off. They did just that: They started walking in the middle of the highway, not giving a shit about the speeding cars.

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At this point they ran into a group of officers who were being filmed for a COPS-like show for the BBC. The cameras captured every batshit insane moment that came after that -- the video that follows at times looks staged as hell, but it isn't. There's a real murder conviction to prove it. That's just how British people talk.

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As seen in the video, the twins were detained by the cops and appeared calm, until Ursula sprinted onto the highway and ran directly into the wheels of a truck.