SHE DEVILS OF CANADA The murder cases in this short book range from the 12 year-old who brutally conspired with her boyfriend to murder her parents and little brother to the black widow aged 77, who is about to be released from prison on March 20th. Now in her early 80s, only time will tell if she has poisoned her last man. Seventeen different murder cases by women are examined and each case is widely different from the others.