Spies and Sparrows: ASIO and the Cold War

In the wake of the Second World War and the realisation that the Soviet Union had set up extensive espionage networks around the world, Australia responded by establishing its own spy-hunting agency: ASIO. By the 1950s its counterespionage activities were increasingly supplemented by attempts at countersubversion - identifying individuals and organisations suspected of activities that threatened national security. In doing so, it crossed the boundary from being a professional agency that co...