Seeing Red A True Crime Podcast

Case Reopened: Folie à deux - The Madness of Twins

Published: June 24, 2025

Duration: 1:06:49

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Folie à deux, or “madness of two", is a rare psychological phenomenon where delusion is shared between two closely connected people. Think siblings. Think twins.

This week, we reopen one of the most bizarre and unsettling cases we’ve ever covered: the story of Sabina and Ursula Eriksson. Twin sisters whose shared descent into chaos left witnesses stunned, authorities baffled, and one man dead.

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Case Reopened: Folie à deux - The Madness of Twins - Seeing Red A True Crime Podcast