Lethal White, Robert GalbraithI seen a kid killedHe strangled it, up by the horse. When Billy, a troubled young man, comes to private eye Cormoran Strikes office to ask for his help investigating a crime he thinks he witnessed as a child, Strike is left deeply unsettled. While Billy is obviously mentally distressed, and cannot remember many concrete details, there is something sincere about him and his story. But before Strike can question him further, Billy bolts from his office