Michael Peterson | Deep Dive | Renowned Cold Case Detective Ken Mains Gives His Opinion

Did USMC veteran and novelist Michael Peterson murder his wife Kathleen in December of 2001 or did she accidently fall down the staircase as Michael claims? How does the death of Michael's female friend in 1985 at the bottom of a staircase play into this scenario? Did an unexpected attack from an owl cause the death of Kathleen?

World renown cold case detective Ken Mains gives his review of the Staircase documentary on Netflix as well mas what he thinks happened to Kathleen Peterson.

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