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Crime & Justice • Murder Case

Michael Peterson

Michael Iver Peterson is an American novelist known for being convicted in 2003 of murdering his wife, Kathleen Peterson, in Durham, North Carolina.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Michael Iver Peterson is an American novelist known for being convicted in 2003 of murdering his wife, Kathleen Peterson, in Durham, North Carolina. His conviction was later overturned, and in 2017 he accepted an Alford plea to voluntary manslaughter and was released with time served. The case drew major public attention and inspired the documentary series and dramatized miniseries The Staircase.

Early life and career

Michael Iver Peterson was born on October 23, 1943, and is described in sources as an American novelist. He was also reported in some coverage as a military veteran.

The Kathleen Peterson case

Peterson was convicted in 2003 of killing his wife, Kathleen Peterson, who died in their Durham, North Carolina home in 2001. He received a life sentence, and the case became one of the most widely followed murder trials in the United States.

Appeal, retrial, and Alford plea

A judge granted Peterson a new trial in 2011 after issues were found with testimony from a forensic agent. In 2017, he accepted an Alford plea to voluntary manslaughter and was released for time served.

Life after release

After leaving prison, Peterson remained out of custody and lived in Durham for years. Later reporting in 2024 said he had moved to Reno, Nevada.

Key facts

  • Michael Peterson was convicted in 2003 of murdering his wife, Kathleen Peterson, and sentenced to life in prison.
  • In 2011, a judge granted him a new trial after findings related to misleading testimony from a State Bureau of Investigation agent.
  • In 2017, he entered an Alford plea to voluntary manslaughter and was sentenced to time served, leading to his release.
  • The case inspired the documentary series and dramatized miniseries The Staircase.
  • After release, Peterson lived in Durham, North Carolina, and moved to Reno, Nevada in 2024.
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Canadian context

The case has Canadian interest because it inspired The Staircase, a widely viewed true-crime documentary and dramatized series that circulated internationally, including in Canada.

Frequently asked questions

Who is Michael Peterson?
Michael Peterson is an American novelist best known for his conviction in the death of his wife, Kathleen Peterson, in North Carolina.
What did Michael Peterson do?
He was convicted in 2003 of murdering Kathleen Peterson. In 2017, he accepted an Alford plea to voluntary manslaughter and was released.
Where is Michael Peterson now?
Reports in 2024 said he had moved from Durham, North Carolina, to Reno, Nevada.
How old is Michael Peterson?
He was born on October 23, 1943, which makes him 82 years old as of 2026.
What happened to Michael Peterson?
He was convicted of murder, later won a new trial, then entered an Alford plea in 2017 and was freed with time served.
Is Michael Peterson still in prison?
No. He was released in 2017 and is not in prison.

References

  1. Peoplehttps://people.com/where-is-michael-peterson-now-the-staircase-11864013
    Supports: Conviction, new trial, 2017 Alford plea, release, and later residence reporting
  2. The News & Observerhttps://www.newsobserver.com/news/local/article260637047.html
    Supports: 2011 new trial, 2017 Alford plea, and continued residence in Durham
  3. The News & Observerhttps://www.newsobserver.com/entertainment/tv-movies/warm-tv-blog/article313621227.html
    Supports: 2024 move to Reno, Nevada and post-release life
  4. Wikipediahttps://en.wikipedia.org/wiki/Michael_Peterson_trial
    Supports: Birth date, conviction, release timeline, and Alford plea
  5. Forbeshttps://www.forbes.com/sites/monicamercuri/2025/12/09/where-is-michael-peterson-now-the-bizarre-true-story-behind-the-staircase/
    Supports: Current-status reporting and case overview