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Kathleen Peterson

Kathleen Peterson (1953–2001) was an American engineer and telecommunications executive from North Carolina.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Kathleen Peterson (1953–2001) was an American engineer and telecommunications executive from North Carolina. She became widely known after her death in Durham, North Carolina, which led to the criminal case against her husband, Michael Peterson, and the later true-crime series *The Staircase*.

Early life and education

Kathleen Peterson was born in Greensboro, North Carolina, and was raised in part in Lancaster, Pennsylvania. She studied engineering at Duke University, where she earned both undergraduate and graduate degrees.

Career

Peterson worked in the technology sector and was director of information services at Nortel Networks in Research Triangle Park at the time of her death. Sources describe her as an accomplished engineer and executive.

Death and investigation

On December 9, 2001, Kathleen Peterson was found dead at the bottom of stairs at her Durham home after a 911 call from Michael Peterson. The death led to a high-profile murder investigation and trial.

Legacy

Kathleen Peterson’s death became a widely discussed true-crime case and inspired *The Staircase*, a documentary series centred on the investigation and court proceedings.

Key facts

  • Kathleen Peterson was born in Greensboro, North Carolina, and grew up in Lancaster, Pennsylvania.
  • She earned bachelor’s and master’s degrees in engineering from Duke University.
  • She was director of information services at Nortel Networks at the time of her death.
  • She was found dead at the bottom of a staircase in her Durham home on December 9, 2001.
  • Michael Peterson was convicted of her murder in 2003 and later entered an Alford plea to manslaughter in 2017.

Frequently asked questions

Who is Kathleen Peterson?
Kathleen Peterson was an American engineer and executive from North Carolina who became widely known because of the murder case surrounding her death in 2001.
How did Kathleen Peterson die?
She was found dead at the bottom of a staircase in her Durham home on December 9, 2001. Sources describe the case as a fatal fall or violent death under investigation, depending on the account.
What happened to Kathleen Peterson?
After her death, police investigated the circumstances, and her husband, Michael Peterson, was charged and later convicted of her murder in 2003. He later entered an Alford plea to manslaughter in 2017 after a new trial was granted.
Who killed Kathleen Peterson?
Michael Peterson was convicted of her murder in 2003, but he has maintained his innocence and later resolved the case with an Alford plea to voluntary manslaughter in 2017.
What is *The Staircase* about?
*The Staircase* is a true-crime documentary series about the investigation, trial, and later legal developments in Kathleen Peterson’s death case.
Where is Kathleen Peterson from?
She was born in Greensboro, North Carolina, and later lived in Durham, North Carolina.

References

  1. The News & Observer — https://www.newsobserver.com/news/local/article260973672.html
    Supports: Birthplace, education, career, and burial information.
  2. The News & Observer — https://www.newsobserver.com/news/local/article260637047.html
    Supports: Timeline of Kathleen Peterson’s death and the early investigation.
  3. IMDb — https://www.imdb.com/name/nm8269603/bio/
    Supports: Basic biographical details, death circumstances, and later legal developments.
  4. A&E — https://www.aetv.com/articles/kathleen-peterson-death
    Supports: Summary of the death and murder case context.
  5. Newsweek — https://www.newsweek.com/who-kathleen-peterson-daughter-children-caitlin-atwater-where-she-now-1704194
    Supports: Family background and case context.
  6. Women's Health — https://www.womenshealthmag.com/life/a39918288/michael-peterson-family-children-the-staircase/
    Supports: Overview of the case and the documentary series *The Staircase*.
  7. Mainor Wirth — https://mainorwirth.com/kathleen-peterson-death-accident-or-murder/
    Supports: Biographical details and legal outcome summary.