This book describes and analyzes the history of the Mediterranean "Double-Cross System" of the Second World War, an intelligence operation run primarily by Brit

This book describes and analyzes the history of the Mediterranean "Double-Cross System" of the Second World War, an intelligence operation run primarily by Brit

Compared to many of MI5's other double agents, HARLEQUIN’s career was very short-lived, lasting only for a few months in 1943. However, during that time he pr

During the Second World War, Gibraltar faced the threat of invasion by Italy, Germany, and Spain. The Abwehr, the German Intelligence Service, rather than use t

During the Second World War and the subsequent Cold War, foreign agents conducted intelligence-gathering, sabotage, and subversive operations inside neutral cou