In a stunning twist in the Gilgo Beach serial killer saga, accused murderer Rex Heuermann has officially been cleared in the 1994 strangulation death of Colleen McNamee, a Long Island sex worker long believed to be one of his potential victims. For years, McNamee’s name was quietly linked to the growing list of women found murdered across Suffolk County — a list that defined Heuermann as the face of one of the most disturbing serial murder cases in American history.

But a new DNA analysis just ended that speculation for good. The Suffolk County Medical Examiner’s Office confirmed that Heuermann’s genetic profile did not match the “Unknown Male A” found on McNamee’s remains. Instead, the DNA points back toward convicted killer John Bittrolff, a carpenter already serving 50 years to life for two nearly identical murders. Ironically, it was Bittrolff himself who pushed for the test — hoping it would shift blame to Heuermann. It did the opposite.

This development doesn’t exonerate Heuermann from the seven brutal killings he’s charged with — victims Amber Lynn Costello, Megan Waterman, Melissa Barthelemy, Maureen Brainard-Barnes, Sandra Costilla, Jessica Taylor, and Valerie Mack. Their DNA trails, cell records, and forensic links remain strong. But it does sharpen the boundaries of truth: what’s proven, what’s not, and how modern forensic science continues to rewrite the Gilgo Beach narrative.

In this episode, Tony Brueski breaks down the case that looked like it belonged to Rex Heuermann — and why it never did. From forensic breakthroughs to the psychology of blame, we explore how one killer tried to hide behind another, and how DNA once again cut through the myth to reveal the facts.

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