Niels Högel is one of the most prolific medical serial killers in history. He was believed to have c
Niels Högel is one of the most prolific medical serial killers in history. He was believed to have claimed the life of 300 victims over fifteen years. He administered lethal doses of heart medication to patients in an attempt to show off his resuscitation skills to colleagues and fight off boredom. [1, 2, 3, 4] -- source link
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