November 1, 1950 - Aino Nykopp-Koski
Her position as a caregiver gave her sustained, unsupervised access to some of the most vulnerable patients in the Finnish healthcare system — the elderly, the dependent, those least able to resist or report harm. Over five years and across multiple institutions, she administered fatal doses of sedatives and opiates to at least five people before her arrest in 2009. The breadth of her movement between hospitals, care homes, and private residences suggests the crimes were not impulsive, and her psychiatric assessment noted psychopathic traits alongside a finding of full legal culpability.
From Wikipedia
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.
Nykopp-Koski was tried in Helsinki District Court in December 2010 and pleaded not guilty, though the court convicted her. She was sentenced to life in prison (minimum of 12 years before likely pardon). During the mental health assessment, psychiatrists found out that Nykopp-Koski is psychopathic and has an antisocial personality disorder, but she was deemed culpable for her actions. The sentence was upheld by Helsinki Court of Appeals in March 2012. Supreme Court of Finland dismissed her leave to appeal in November 2012.
After her conviction, Nykopp-Koski changed her name to Ann-Maria Myllgren.
In May 2020, the Helsinki Court of Appeals rejected Myllgren's parole application. Myllgren had requested to be paroled in March 2021, when she would have served the legal minimum of 12 years.
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