When the nefarious Alex Kork was sentenced to life in prison, Jack thought she'd stay there. But she hadn't counted on Kork's ability to get out of any situation. Now the insane serial killer is again on the loose – and once more, Jack has to make Chicago safe from this deviant woman's evil ways. Sixth in the series. "Major thrills... [She] is a master of suspense... [Listeners] will finish this book utterly exhausted, gasping for breath."—Booklist