Crime, Conspiracy, Cults and Murder Crime, Conspiracy, Cults and Murder

Ep. 121 | The Mysterious Murder Of Kathleen Peterson | The Staircase

Aug 5, 2026 · 55m

Summary

This episode details the 2001 murder of Kathleen Peterson, whose husband Michael was convicted of beating her to death. The trial featured controversial evidence, including Michael’s bisexuality and the exhumation of a prior victim, Elizabeth Ratliff. However, the conviction was overturned after key forensic expert Dwayne Deaver was exposed for perjury. The narrative also explores the bizarre "owl theory" suggesting an animal attack caused Kathleen’s injuries.

Topics discussed

Intro and sponsor ads for Aura and Shopify Michael Peterson's background, military service, and writing career Kathleen Peterson's life, career, and the blending of families Financial strain and the night Kathleen fell down the stairs Autopsy results contradicting the accident theory Investigation into Michael's emails and Elizabeth Ratliff's death The trial, evidence, and guilty verdict Appeals, the owl theory, and forensic expert controversies Alford plea, documentaries, and the unresolved legacy Outro and final sponsor ad for Aura
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