LIVERMORE -- The brutal 2005 killing of a Livermore woman will be featured on Sunday's season premiere of the Investigation Discovery news magazine show, "On the Case with Paula Zahn."

Jackie Cassettari, 36, was found bludgeoned to death in her Livermore apartment in April 2005 by a family member after she missed her shift at the New United Motor Manufacturing plant in Fremont. Because of the nature of the murder, investigators were initially unable to determine the cause of her death, but cracked the case by analyzing mysterious calls to a dating service.

The episode features interviews with Cassettari's family, Livermore police sergeants and detectives, and forensic experts. It will air on the Investigation Discovery network at 7 p.m.

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