Elizabeth Wettlaufer

Elizabeth Tracy Mae "Bethe" Wettlaufer (née Parker; born June 10, 1967) is a convicted Canadian serial killer and former registered nurse who confessed to murdering eight senior citizens and attempting to murder six others in southwestern Ontario between 2007 and 2016. With a total of 14 victims either killed or injured by her actions, she is described as one of the worst serial killers in Canadian history. Provided by Wikipedia