The Devil's Bones by Jefferson Bass
A woman's charred body has been found inside a burned car atop a hill in Knoxville. Forensic anthropologist Bill Brockton is on the case, torching bodies to research how fire consumes flesh and bone. Days later, he receives a mysterious package - a set of cremated remains that seems entirely unreal. As Brockton investigates, he uncovers a truth too horrifying to believe Meanwhile, disgraced medical examiner, and Brockton's nemesis, Garland Hamilton, has escaped from custody. A deadly game of cat and mouse begins, with Brockton's life at stake. Finally running Hamilton to ground, Brockton finds only the incinerated remains of his enemy, or does he? Before he finds the truth, Brockton will face his ultimate test.