Aino Nykopp-Koski (born November 1950) is a

Finnish Finnish may refer to: * Something or someone from, or related to Finland * Culture of Finland * Finnish people or Finns, the primary ethnic group in Finland * Finnish language, the national language of the Finnish people * Finnish cuisine See also ...

serial killer A serial killer is typically a person who murders three or more persons,A * * * * with the murders taking place over more than a month and including a significant period of time between them. While most authorities set a threshold of three ...

. 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.''Finnish nurse gets life for murdering five patients''
Telegraph

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

sedative A sedative or tranquilliser is a substance that induces sedation by reducing irritability or excitement. They are CNS depressants and interact with brain activity causing its deceleration. Various kinds of sedatives can be distinguished, but t ...

s and

opiate An opiate, in classical pharmacology, is a substance derived from opium. In more modern usage, the term ''opioid'' is used to designate all substances, both natural and synthetic, that bind to opioid receptors in the brain (including antagonis ...

s. 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 Antisocial personality disorder (ASPD or infrequently APD) is a personality disorder characterized by a long-term pattern of disregard of, or violation of, the rights of others as well as a difficulty sustaining long-term relationships. Lack ...

, but she was deemed culpable for her actions. The sentence was upheld by Helsinki Court of Appeals in March 2012.

Supreme Court of Finland The Supreme Court of Finland ( fi, korkein oikeus, abbreviated as ''KKO''; sv, högsta domstolen, abbreviated as ''HD''), located in Helsinki, is the court of last resort for cases within the private law of Finland (that is, civil and criminal ...

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.

References

{{DEFAULTSORT:Nykopp-Koski, Aino 1950 births Finnish female serial killers Finnish female murderers Finnish serial killers Living people Medical serial killers Nurses convicted of killing patients People with antisocial personality disorder Poisoners