In October 1987, a visiting nurse walked into a Tyler, Texas duplex and discovered a scene of unimaginable violence. Fifty-seven-year-old Mary Hooper, confined to a wheelchair after a long battle with illness, had been bludgeoned to death. Just steps away, her longtime partner, sixty-two-year-old Emmett Lynch, was found beaten in the bathroom. Nothing in the home appeared disturbed. Valuables remained untouched. The only thing missing was Emmett’s car—a gray 1977 Ford LTD he cherished and would never have willingly sold.

When the car turned up more than 1,000 miles away in Prescott, Arizona, so did two suspects: Terry and Kathryn McMahan, former neighbors of the victims. What followed was one of the most expensive capital murder trials in Smith County history—filled with contradictions, unanswered questions, and ultimately, an acquittal.

Decades later, the murders of Mary Hooper and Emmett Lynch remain unsolved. This episode explores the crime scene, the investigation that stretched across state lines, and the courtroom drama that left a grieving community with no justice.

If you have any information about the murders of Mary Hooper and Emmett Lynch, please contact the Tyler Police Department at 903-531-1000 or Tyler / Smith County Crime-Stoppers at 903-597-2833. Sources:

The Tyler Morning Telegraph, The Tyler Courier-Times, cityoftyler.org, KETK.com

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