Patricia Cornwell: Predator (used)

Predator is a crime fiction novel by Patricia Cornwell. Dr. Kay Scarpetta, now freelancing with the National Forensic Academy in Florida, takes charge of a case that stretches from steamy Florida to snowbound Massachusetts, one as unnerving as any she has ever faced. The teasing psychological clues lead Scarpetta and her team—Pete Marino, Benton Wesley, and Lucy Farinelli—to suspect that they are hunting someone with a cunning and malevolent mind whose secrets have kept them in the shadows, until now.