He is a German serial killer and a former nurse.
He serves life imprisonment for 97 murders even though his victims could be more than 300. He committed his crimes between 2000 and 2005.
He was born in 1976 in Wilhelmshaven in Germany. As a child he was not exposed to violence.
In 1999 he was employed at a clinic at the cardiac surgery intensive care unit. At any department he work for, the number of deaths increased dramatically.
In 2002 he was transferred to another clinic where he continued committing his crimes.
In 2004 he was married and had a daughter.
His colleagues described him as narcissist, dissocial and compulsive with lack of empathy. He also had a history of alcohol abuse.
In 2005 the police opened investigation into him. He was sentenced to 5 years in prison.
3 years later he was sentenced to 7.5 years in prison.
In 2014 he admitted his crimes for unauthorized injections. 1 year later he was sentenced to life imprisonment.
[Source: en.wikipedia.org]
