"After 30 years, Detective Jim Scharf arrested a teenage couple's murderer-and exposed a looming battle between the pursuit of justice and the right to privacy. When Tanya Van Cuylenborg and Jay Cook were murdered during a trip to Seattle in the 1980s, detectives had few leads. The murder weapon was missing. No one witnessed any suspicious activity. And there was only a single handprint on the outside of the young couple's van. The detectives assumed...

"You swab your cheek or spit in a vial, then send it away to a lab somewhere. Weeks later you get a report that might tell you where your ancestors came from or if you carry certain genetic risks. Or the report could reveal long-buried family secrets and upend your entire sense of identity. Soon a lark becomes an obsession, a relentless drive to find answers to questions at the core of your being, like "Who am I?" and "Where did I come from?" Welcome...

"New York Times-bestselling author Robin Cook takes on the ripped-from-the-headlines topic of harnessing DNA from ancestry websites to catch a killer in this timely and explosive new medical thriller"--