It was Valentine’s Day, 2007, when 39-year-old Jodine Serrin’s parents stopped by her Carlsbad, California condo to check on her. Moments after walking into her bedroom, they realized something was terribly wrong. Jodine had been brutally attacked—and the man they’d seen inside her home had vanished.

For over a decade, her murder went unsolved. No witnesses. No leads. Just a single piece of DNA left behind.

In this episode, we examine how cutting-edge forensic technology—and one company’s groundbreaking use of genetic genealogy—finally revealed the truth about who killed Jodine Serrin.

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