Clifford Olson



Age: 71


Summary: Canadian serial killer considered as one of Canada's most notorious criminals who was convicted of torturing and murdering 11 children, including five in the summer of 1981 while supposedly under surveillance by the Royal Canadian Mounted Police.



Cause of Death: Cancer


Born: January 1, 1940


Died: September 30, 2011


Location: Ste.-Anne-des-Plaines, Canada