Book excerpt: The true story behind the notorious serial killer Peter Manuel, and Detective William Muncie's quest to bring him to justice, recently dramatised in the major ITV drama In Plain Sight. In a two-year killing spree, Peter Manuel terrorised a city. As the people of Glasgow held their breath and anxiously awaited news, Peter Manuel killed Anne Kneilands, Marion Watt, her daughter Vivienne and her sister Margaret, Isabelle Cooke and the Smart family - all in cold blood. But what drove him to commit such barbaric crimes? And could the police have caught him sooner? MANUEL: Portrait of a Serial Killer tells the full story from his birth in the USA and his love of gangster movies to his life of crime that would ultimately end on the gallows after one of the most sensational trials in legal history. Revealing new facts about the case and the myths that surround it, this is the definitive account of one of the most notorious criminals in history - Peter Manuel, serial killer.