Michael Peterson was indicted and charged with murder after his wife, Kathleen, was found bloody and barely conscious at the bottom of a staircase in their home. During the trial, he allowed cameras to follow him for a Netflix documentary called The Staircase. The film, which was recently re-released, left many people wondering if Peterson, who insists he’s innocent, was an unlucky man or a murderer walking free.

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During a one-on-one conversation with Dr. Phil airing Tuesday, Dr. Phil says to the novelist, “When I watched you in the documentary, I saw a lot of lie behavior, a lot of behavior that I see when people are lying … I’m thinking, this is so inappropriate, and I’m thinking this has got to be alienating the court of public opinion.”

WATCH: Why Michael Peterson, Who Insists He Didn’t Kill His Wife, Says He Agreed To Alford Plea Of Voluntary Manslaughter

How does Peterson, who was convicted of murder but released in 2017 after serving eight years in prison, respond? Does he believe the cameras affected his behavior? Hear his thoughts in the video above, and find out what Dr. Phil describes as “lie behavior.”

On Tuesday, learn about an unusual theory of how some people believe Kathleen may have really died. Check here to see where you can watch.

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