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.
April wears a bracelet in memory of her daughter, a Vidor High School student who had dreams of becoming a nurse.
Peggy Lynn Johnson-Schroeder was found dead in a cornfield in 1999, with signs she'd been the victim of foul play.