STACEY CASTOR, MOTHER AND SERIAL KILLERStacey Ruth Castor may have been one of the most sociopathic female serial killers in modern times. She poisoned her first husband Michael Wallace with anti-freeze after he becomes an inconvenience to her and did the same to her second husband David Castor years later. When she caught wind that the police were onto her methods, she poisoned her own daughter and wrote 'confession' letter on her behalf.She tried to pin the crimes on her daughter.Dubbed the Black Widow by the national media, recent findings have opened up the possibility that Stacey killed her own father as well.Cool, calm and collected, Stacey maintained her innocence throughout the court proceedings, adamantly pointing the finger of blame at her own daughter. But what possessed her to kill not only her husbands but her own flesh and blood?This is her story.