serial killer nurse in the US who had “fun” killing patients by injecting air into their bloodstream has been sentenced to death.William George Davis killed four people during 2017 and 2018 as he worked at the cardiovascular casualty department at Christus Trinity Mother Frances Hospital in Texas.The 37-year-old was found guilty on October 19 by a jury of injecting air into Christopher Greenaway, 47, Jose Kalina, 58, Ronald Clark, 68, and John Lafferty, 74.The New York Times reported that doctors were originally puzzled by the patients’ deterioration following surgery after scans revealed signs of air in their brains.Davis was caught when it was noticed that the nurse was on shift during all four deaths.The court heard how video footage.
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