Murdered woman found in burned garage: Emergency crews discovered the body of Carmela Knight, 39, after they extinguished a garage engulfed by flames. An autopsy revealed the cause of death to be trauma and it has since been ruled a homicide. UPDATE: Carmela Knight's husband and another man were charged with the murder. David Knight, 42, of Toronto, and Graham Thomas MacDonald, 28, of no fixed address, are each charged with first-degree murder, conspiracy to commit murder and arson.