In the latest in this USA Today bestselling series, Nevada sheriff Porter Beck receives an anonymous riddle leading him to a body hidden for decades, leading Beck and his team in a chase to unravel riddles that will help them uncover and stop a long-time serial killer.
Porter Beck is the sheriff of Lincoln County, Nevada, a vast expanse of desert and mountains best known to the outside world for the top-secret installation called Area 51. Just down the highway sits a weathered mailbox where UFO believers leave messages for aliens. But this time, the message is for Beck.