Bill James, famous for revolutionizing baseball analysis with sabermetrics, turns his attention to true crime cases throughout American history, applying the same rigorous analytical approach to murders, kidnappings, and trials that he brought to batting averages and win shares. The book ranges from Lizzie Borden through the Lindbergh kidnapping to JonBenét Ramsey, examining how these cases captured public attention and what they reveal about their eras. James brings a distinctive voice to true crime—skeptical of conventional narratives, willing to challenge received wisdom, interested in the systems that produce and process crime as much as in individual perpetrators. He analyzes why some cases become nationally famous while similar crimes disappear, how media coverage shapes both investigation and public understanding, and how the criminal justice system has evolved over time. The writing has the same combination of obsessive detail and irreverent observation that made his baseball writing compelling. James doesn't claim to solve cold cases, though he offers opinions on contested questions; his interest lies more in how we think about crime and what our fascination reveals about us. Readers who enjoyed James's baseball work will find the same mind at work on different data, while true crime enthusiasts will encounter familiar cases reframed through an analytical lens that illuminates aspects conventional treatments miss.