REVIEW: The Forever Witness: How DNA and Genealogy Solved a Cold Case Double Murder by Edward Humes

A relentless detective and an amateur genealogist solve a haunting cold case—and launch a crime-fighting revolution that tests the fragile line between justice and privacy.

In November 1987, a young couple on an overnight trip to Seattle vanished without a trace. A week later, the bodies of Tanya Van Cuylenborg and her boyfriend Jay Cook were found in rural Washington. It was a brutal crime, and it was the perfect crime: With few clues and no witnesses, an international manhunt turned up empty...