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'The Staircase': Where Are Michael Peterson and His Family Now?

Where are the real-life people of 'The Staircase' now?

Michael Peterson served time in prison for the murder of his wife Kathleen, but was granted a new trial in 2011 due to misleading testimony from a key prosecution witness.
After his release, Michael lived with his ex-wife Patty and wrote two books about the case, with proceeds going to charity. He has largely stayed out of the spotlight and criticized the HBO miniseries about his story.
Other important characters from the case, such as Michael's children Todd and Clayton, as well as Kathleen's daughters Margaret and Caitlin, have moved on with their lives and pursued various careers.