Buried Lies — Andrew Cunningham

In 1982, eight teens disappeared from the Crater Lake School for Boys. Forty years later, a mass grave is found, containing the remains of seven of the boys. What happened to the eighth?Del Honeycutt and bestselling mystery author Sabrina Spencer have carved out a quiet life on seventeen acres in New Hampshire. A construction crew breaking ground for a guest house comes across the mass grave. It plunges Del and Sabrina into a deadly game of cat and mouse, involving murder, a secret project, a lost diamond, and, of course, lies.