A children's roller skating party becomes the unlikely setting for a high-stakes undercover operation as police close in on Jeffrey Gorton, a seemingly ordinary family man they believe responsible for two of Michigan's most brutal unsolved murders.

Investigators suspect a predator of unimaginable savagery behind his façade of normalcy—a devoted husband, father of two, church member, and eager school volunteer. For over fifteen years, two horrific cases had haunted Michigan law enforcement: the 1986 murder of Margaret Eby, a prominent Flint university provost and musician found nearly decapitated in her home, and a 1991 case involving a flight attendant in Romulus who suffered a similarly brutal fate.

Advances in DNA technology had connected these crimes through preserved evidence, but police needed a fresh sample from their suspect to confirm their theory. Enter Mike San Andre, a scrappy undercover narcotics officer with silver hoop earrings and a shaved head, looking entirely out of place among elementary school families. His mission: to collect anything with Gorton's DNA—a napkin, cup, cigarette butt—anything that might finally close cases that had remained open for over a decade.

The episode follows this tense surveillance operation and the meticulous forensic work that followed while delving into the shocking details of the cold cases and their victims' stories. We witness the collision of scientific advancement with old-fashioned police work as investigators struggle with minute amounts of DNA and the pressure of knowing a potential predator remains free in the community.

Could a half-empty Mountain Dew cup and some twisted napkins finally bring closure to cases that had baffled police for generations? Join us for this riveting exploration of how the most minor pieces of evidence can sometimes break the most significant cases.

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