Triptych by Karin Slaughter: A Rough-Hewn First Book in a Lengthy Crime Thriller Series – Book Review

Triptych by Karin Slaughter is a crime thriller novel about a series of gruesome murders with a killer that signs his crimes in a grotesque act of mutilation. A veteran detective with marital issues, a woman working as a vice cop, and an ex-con with some very special insights end up working on the case in their own ways to help solve this horrifying collection of kills.