In this episode, Bill Thomas, the brother of Colonial Parkways murder victim Cathy Thomas, and I examine the series of homicides that occurred in Virginia between 1986 and 1989. The case began in 1986, when Bill’s sister, Cathy, and her girlfriend were found dead in Cathy’s Honda Civic just off the Colonial Parkway. For more than three decades, the murders remained unsolved.
That shifted in 2024, when a Northern Neck waterman, Alan Wade Wilmer Sr., was linked to two of the Colonial Parkway cases—and to several additional homicides across Virginia’s three peninsulas, including some not previously connected to the series. Then, in January, more than 39 years after Cathy’s death, Bill learned that her killing had been formally tied to Wilmer Sr.
Even with this development, Bill’s search for answers continues—particularly how Wilmer Sr., once on the FBI’s radar and ruled out early on, was able to continue killing. His investigation now reaches beyond the crimes themselves to the failures that allowed them to continue.
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