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HBO's newest series, The Staircase, premieres on May 5, 2022.

Let's take a look at what we know about the true-crime miniseries.

The Staircase follows Michael Peterson's murder trial after his wife, Kathleen, was found dead in the couple's home in 2001
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The Staircase follows Michael Peterson's murder trial after his wife, Kathleen, was found dead in the couple's home in 2001Credit: (c) 2017 Shutterstock. No use without permission.

What is The Staircase about?

The Staircase follows Michael Peterson's murder trial after his wife, Kathleen, was found in a pool of blood at the bottom of a staircase in the couple's home in 2001.

Peterson was originally found guilty in 2003 but was granted a new trial after misconduct was revealed.

In 2017, he took an Alford plea, which is a guilty plea in criminal court but the defendant asserts innocence.

He has since spoken out about a theory involving an owl killing his wife.

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Since then, he has been living in Durham and has written two books: Behind the Staircase and Beyond the Staircase.

The miniseries will draw on the 2018 Netflix documentary that followed the same case.

Who stars in The Staircase?

Colin Firth plays the main subject Michael Peterson; the role was originally slated to be played by Harrison Ford.

Michael's late wife Kathleen is played by Toni Collette.

Juliette Binoche stars as Sophie Brunet, the editor of The Staircase documentary.

One of the prosecutors in Michael's case, Freda Black, is played by Parker Posey.

Game of Thrones actress Sophie Turner appears as one of Michael's adopted daughters, Margaret Ratliff.

Rosemarie DeWitt plays Candace Hunt Zamperini, Kathleen's sister and a huge critic of Michael.

Michael Peterson has since spoken out about a theory involving an owl killing his wife
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Michael Peterson has since spoken out about a theory involving an owl killing his wifeCredit: whatsup/netflix

When does The Staircase come out?

The miniseries, The Staircase, premieres on Thursday, May 5, 2022.

Viewers can stream it on HBO Max with a subscription.

Official trailer for Netflix crime documentary The Staircase

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