This book examines the use of internment without trial in Northern Ireland between 1971 and 1975. This research provides a more comprehensive account of internment and assesses previously unexplored aspects of its use. Drawing on archival sources the high politics and intelligence surrounding the introduction of internment are considered and in doing so accepted narratives regarding the measure are challenged. It is established that the quality of intelligence on both republican and loyalist paramilitaries was of a much better quality than previously thought. The book also highlights...