This work investigates the psychological development and criminal motivations of Myra Hindley, one of the most notorious figures in British criminal history. Jean Ritchie, an experienced investigative journalist, utilizes court records, psychological assessments, and historical context to examine the factors that led Hindley to participate in the Moors Murders. The book seeks to move beyond the public perception of Hindley as a monster to analyze the complex interplay of personality, influence, and environment that facilitated her actions.

The subject matter points to a dense, analytical exploration of criminal psychology and the specific historical context of the Moors Murders. The framing suggests an objective, investigative approach intended for readers seeking a deeper understanding of the motivations behind high-profile criminal cases.