Copycat

Criminal psychologist Helen Hudson is an expert on serial killers. She's gotten so close to unlocking the psyches of her previous subjects that one - an incurable psychopath - almost murdered her.

Now she's an agoraphobic, living a terrified existence defined by the walls of her apartment, with her computer modem and her loyal and assistant her only links to the outside world. Until a detective needs her expertisea to take down a new murderer copying old serial killers.