John Duvall Executed For Karla Duvall Murder
John Duvall was executed by the State of Oklahoma for the murder of his estranged wife Karla Duvall According to court documents John Duvall would go over to the home of his estranged wife Karla Duvall. The two would have an argument and John would stab Karla before killing her by suffocating her with a…