Turn To Stone Jonathan Stride Series, Book 5.6.

Driving home to Minnesota one night after a long road trip, Duluth detective Jonathan Stride stops by the small Wisconsin town where his mother is buried to pay a visit to her grave. As he walks through the cemetery, a local sheriff's car pulls up and an officer steps out, pulls out his gun, and takes his own life before Stride even has time to react. After giving his statement to the police, Stride is asked to unofficially investigate the reas...