As Knighton Execution Nears, Victim's Daughter Urges Clemency
In 1990 Robert Wesley Knighton was sentenced to death for murdering Richard and Virginia Denney in rural Oklahoma. On Tuesday night he is scheduled to be executed for the crime. Independent producers David Isay and Karen Callahan have the story of Knighton's recent clemency hearing, where one of the witnesses urging mercy for him was the daughter of the man he murdered.
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