6. Jayant Patel.
Though American surgeon Jayant Patel has been linked to about eighty-seven deaths among his patients between the years of 2003 and 2005, he has been found not guilty by the Australian court system; not once, but twice. On May 15, 2015, he was barred from practicing medicine in Australia.
7. Beverley Allitt.
Beverley Allitt was a nurse who worked in the children’s ward at Grantham and Kesteven Hospital in Lincolnshire, England. For a period of around fifty-nine days, Allitt murdered four children in the hospital by administering lethal doses of insulin and injecting air bubbles into their blood streams. The incidents occurred in 1991 where she attempted to murder three other children, and badly injured six more. Allitt was finally caught and sentenced to thirteen life sentences for the horrifying crimes she had committed.
8. Gwen Graham And Cathy Wood.
While working as nurses at a nursing home in Michigan, Gwen Graham and Cathy Wood began killing their patients as part of a “love bond” that they shared. Their weird relationship ended up claiming the lives of five innocent residents. They were eventually captured and put behind bars in 1989.
9. Morris Bolber: “The Philadelphia poison ring”.
During the 1930’s, Dr. Morris Bolber, a Russian Jewish immigrant, worked as a doctor in Pennsylvania. The Philadelphia poison ring was a murder for hire gang led by the Petrillo cousins, Herman and Paul Petrillo, in 1938. Dr. Bolber used his medical expertise and mob connections to poison women’s husbands for a fee. Together, they managed to perform 114 poison-murders before being finally arrested in 1939 and executed by electric chair in 1941.
10. Linda Burfield Hazzard: “Starvation Heights”.
During the early 20th century, Linda Burfield Hazzard, an American doctor, promoted fasting as a treatment for all ailments. This resulted in more than 40 patients dying from starvation at her sanitarium in Washington. When word got out, she was nicknamed “Starvation Heights” by locals. In 1912, Hazzard was finally caught and served two years in prison before she herself died of starvation.