The international bestseller for fans of Nicci French, Anne Holt, Karin Slaughter He must kill her. Hunt her down. Destroy her ...In her very first case, criminal psychologist Lena Peters is confronted with a killer on a murderous vendetta. And though she is unaware, Lena will play a... prominent role in his deadly mission. Lena knows what makes killers tick and all about obsession, for she has been close to the edge herself. But soon she will become the hunted.