About Aino Nykopp-Koski
Born 1950. Aino Nykopp-Koski is a Finnish nurse and serial killer.
Aino Nykopp-Koski (born November 1950) is a Finnish serial killer. She worked as a nurse and was found guilty of killing five patients and the attempted murder of five more. No motive was established for the murders.
Crimes Between 2004 and 2009 Nykopp-Koski worked at a range of hospitals, care homes and patients' homes. There she killed five elderly patients using sedatives and opiates. She was apprehended in March 2009. Supreme Court of Finland dismissed her leave to appeal in November 2012.
After her conviction, Nykopp-Koski changed her name to Ann-Maria Myllgren.
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Important facts
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Contemporaries
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Frequently asked questions
Who is Aino Nykopp-Koski?
Finnish nurse and convicted serial killer
When was Aino Nykopp-Koski born?
Aino Nykopp-Koski was born in 1950.
What is Aino Nykopp-Koski's occupation?
Aino Nykopp-Koski is a nurse and serial killer.
What nationality is Aino Nykopp-Koski?
Aino Nykopp-Koski is Finnish.
Sources & further reading
· Wikipedia: Aino Nykopp-Koski
Cite this page
APA: Biography.guide. (2026). Aino Nykopp-Koski. https://biography.guide/aino-nykopp-koski/
MLA: "Aino Nykopp-Koski." Biography.guide, https://biography.guide/aino-nykopp-koski/.
Chicago: "Aino Nykopp-Koski." Biography.guide. https://biography.guide/aino-nykopp-koski/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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