Charles Edmund Cullen (born February 22, 1960) is an American serial killer. While working as a nurse, Cullen murdered dozensâpossibly hundredsâof patients during a 16-year career spanning several New Jersey and Pennsylvania medical centers until finally being arrested in 2003. He confessed to committing as many as 40 murders at least 29 of which have been confirmed, though interviews with police, psychiatrists and journalists suggest he committed many more. Researchers haveâŚ
