A Dallas man already serving time for a 2001 slaying has been charged in the 1989 killing of a North Texas woman.
Plano police say they linked 48-year-old Temmie Cooley to the cold case using DNA evidence. Cooley was charged Monday in the death of 23-year-old Sharon Trimble of Glenn Heights, who was found strangled in a ditch.
Investigators say Cooley and Trimble both worked in the cafeteria of a Dallas hospital.
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Texas prison system records show Cooley is serving 35 years for the December 2001 slaying of Earlene Wardell in a Kaufman County case. Wardell was strangled and her body was dumped in a remote location.
A Plano police spokesman on Wednesday had no details on an attorney for Cooley.