*"Stellar true crime"—Publishers Weekly (starred review) *"Suspenseful... Fascinating... A winner..."—Booklist (starred review) 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…