The Staircase: A True Crime Documentary That Surprises Even After It Ends
Was it murder or an accident?
By
The Lineup Staff | Published Mar 7, 2019

- Photo Credit: Maha Productions
![the staircase documentary]()
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Kathleen and Michael Peterson.
Photo Credit: Sundance Channel
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![the staircase documentary]()
![camera-icon]()
- Photo Credit: Sundance Channel
Want more chilling true crime cases? Sign up for The Lineup's free newsletter and get our eeriest investigations delivered straight to your inbox.