Patricia Cornwell delivers the newest engrossing thriller in her high-stakes series starring medical examiner Dr. Kay Scarpetta.

Depraved Heart: -Void of social duty and fatally bent on mischief.-

--Mayes v. People, 806 III. 306 (1883)

Dr. Kay Scarpetta is working a suspicious death scene in Cambridge, Massachusetts when an emergency alert sounds on her phone. A video link lands in her text messages and seems to be from her computer genius niece Lucy. But how can it be? It's clearly a surveillance film of Lucy taken almost twenty years...