Now available in paperback: Part 3 of the true crime trilogy by Spiegel bestselling authors Michael Tsokos and Andreas Gössling - based on real cases, authentic investigations, and the years of experience of Germany's most renowned forensic pathologist. A special day for forensic pathologist Dr. Fred Abel: Many months after he was nearly killed in a brutal attack, he returns to work for the first time. He is immediately engulfed by the daily madness of the BKA unit "Extreme Crimes": The so-called "Darkroom Killer," a ruthless psychopath, keeps the police and the public on edge. However, all of this pales in comparison when Abel's newly found family happiness is at stake: His 16-year-old twins, children from a long-ago affair, come to visit him in Berlin - and become victims of a kidnapping. Who has a score to settle with Abel?.