Kate Hayden is an FBI profiler and forensic linguistics expert. She masterfully identifies maniacs by their words - written or spoken. But he can't keep his own nightmares in check...San Antonio. This damn city again. The city of her youth, the city of her nightmares. Many years ago, Agent Hayden experienced a personal tragedy here that prompted her to pursue profiling. Here she caught and put behind bars a famous maniac nicknamed the Samaritan. However, the impossible happened - his murders continued. Either Kate made a terrible mistake by locking up an innocent man, or there's a copycat in town. Having started an investigation together with the peculiar detective Theo Mazur, she quickly realizes that she is not dealing with an ordinary maniac, but with a formidable enemy. An enemy who knows her too well. And the closer they get to the killer, the clearer the main rule of his game becomes: don't believe anything you see... From the New York Times and USA Today bestselling author. For her, hunting serial killers is like playing chess. Understand the enemy's tactics, calculate his actions several steps ahead and lure him into a trap. But he is a worthy opponent, and it remains to be seen whose last move will be. A novel in the spirit of “Inside a Killer” and the cult film “Copycat” with Sigourney Weaver, which started the Hollywood fashion for profilers.