Frost Angel

Cult-busting psychologist James Arklow gets an unusual request from the FBI: help a rookie agent and the social media monitoring AI she babysits investigate a murder. The AI's an expensive failure, soon to be junked. The agent, Esther Katz, is about to be fired for missing the only worthwhile alert it ever raised. The murderer's already in jail. What's to investigate?

But there's more to the case than first meets the eye, and it has someone in the Bureau's executive office worried.

Arklow and Katz find they're up against a psychopathic mind of a new order. One so coldly manipulative, you'd think Hannibal Lecter a lamb by comparison. One so gifted, Moriarty and Lex Luthor would be envious. And now, Arklow and Katz are its targets.