Examines the origins and effects of the use of interrogation techniques known as the 'five techniques'. Through its in-depth analysis, the book reveals how British forces came to use such controversial methods in counter-insurgency, counter-terrorism and internal security contexts. This book will be of particualr interest to security professionals, academics and members of the public interested in the torture debate, intelligence, the military, counter-insurgency, counter-terrorisk, foreign policy and law enforcement. -- P. [4] of cover.