Cullen Davis, a Fort Worth oil tycoon, went on trial in February 1977 in the killings of his ex-wife's daughter and his ex-wife's boyfriend.
Tabler's execution came about an hour after Florida executed James Dennis Ford. Tabler was convicted of a 2004 double murder, and Ford was convicted of a double murder in 1997.
Watch the KHOU 11+ Original on Audrii Cunningham’s tragic case and the push for change. Learn about the investigation, the ...