How does the dual role of a police force in a divided society—balancing routine civil duties with militarized political containment—impact the professional identity and operational reality of the officers involved? John D. Brewer, a sociologist specializing in conflict and policing, utilizes extensive ethnographic research and interviews conducted by Kathleen Magee to examine the Royal Ulster Constabulary (RUC) during the period of political unrest in Northern Ireland. The book argues that the pressures of 'the troubles' fundamentally alter the nature of routine police work, forcing a tension between standard bureaucratic function and the requirements of state security in a contested territory.

Experts recognize this work as a foundational ethnographic study of policing in conflict zones, frequently cited for its unique focus on the perspectives of lower-level bureaucrats. Readers often note the academic density of the prose, which provides a rigorous sociological framework for understanding the complexities of the RUC.