Niels Högel: German ex-nurse admits killing 100 patients (30 October 2018)
https://www.bbc.com/news/world-europe-46027355
An ex-nurse in Germany has admitted at the start of his trial that he murdered 100 patients, making him one of the world's most prolific serial killers.

Detectives say Niels Högel administered fatal doses of medication to the people in his care - causing cardiac arrest - at two hospitals in northern Germany.