NEW : State 's high court denies motion to set execution date for 57-year - old . State Supreme Court refuses to review Michelle Byrom 's post - conviction motion . Michelle Byrom was convicted of committing her son 's attempted murder . During Michelle Byrom 's original trial , prosecutors said she plotted to kill her husband , Edward Byrom Sr . Son has confessed to crime in letters and to court , but not when put on stand .
NEW : State 's high court denies motion to set execution date for 57-year - old . State Supreme Court refuses to review Michelle Byrom 's post - conviction motion . Michelle Byrom was convicted of committing her son 's attempted murder . Son has confessed to crime in letters and to court , but not when put on stand .