Respiratory assistant, 42, was sentenced to 18 years on Friday for condemning Fern Franco, 75, David Wesley Harper, 37, to a ghastly death at Hedrick Medical Center in Chillicothe.
In the five months Jennifer Hall worked at Hedrick Medical Center, the hospital experienced 18 "code blue" incidents up from an average of one a year before then.
Wrongful death lawsuits revealed she was one of nine patients at a Chillicothe, Missouri, hospital given a deadly dose of a drug that caused suffocation.
Woman thought to have died in the 1940s actually lived until 2002 ktvz.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ktvz.com Daily Mail and Mail on Sunday newspapers.
Family members were told the woman died in the late '40s. However, she actually spent most of her adult life at a state hospital being treated for paranoid schizophrenia.