Step into the darkest corners of the human mind with bestselling true crime author Alan R. Warren as he uncovers chilling words from some of the most notorious killers of our time. Pen and Blood offers a rare and unflinching look at the thoughts, motivations, and disturbing realities behind crimes that shocked the world. Through exclusive letters and interviews, Warren brings readers face-to-face with convicted UK murderers Stephen Port and Ian Brady, both responsible for the brutal sexual assault and murder of young victims. The book also features in-depth interviews with Canadian child killer David Shearing, offering a deeply unsettling glimpse into the psyche of a man who annihilated three generations of an entire family. These are not just crime stories or opinions, but direct communications from those who committed the unthinkable. Warren provides critical context to these firsthand accounts, exploring the psychology, manipulation, and hidden patterns behind their monstrous acts. Pen and Blood is not for the faint of heart. It is a sobering, investigative journey into the minds of predators—and a stark reminder of evil that can hide in plain sight.