Introduction: What is intelligence? -- Wanted: A definition of "intelligence" / Michael Warner -- Ideas of intelligence : divergent national concepts and institutions / Philip Davies -- Observations on successful espionage / Joseph Wippl -- All glory is fleeting : SIGINT and the fight against international terrorism / Matthew Aid -- Introducing social media intelligence / Sir David Omand, James Bartlett and Carl Miller -- The increasing value of open source / Stevyn Gibson -- Surprise despite warning : why sudden attacks succeed / R.K. Betts -- Is politicization ever a good thing? / Joshua Rovner -- American presidents and their intelligence communities / C.M Andrew -- Squaring the circle : dealing with intelligence-policy breakdowns / K.L. Gardiner -- International intelligence co-operation : an inside perspective / Stephen Lander -- Foreign intelligence liaison : devils, deals, and details / Jennifer Sims -- The 9/11 terrorist attacks : a failure of policy not strategic intelligence analysis / Stephen Marrin -- Deja vu? Comparing Pearl Harbor and September 11 / James J. Wirtz -- Reports, politics, and intelligence failures : the case of Iraq / Robert Jervis -- British intelligence failures and Iraq / John Morrison -- Intelligence and strategy in the war on Islamist terrorism / John R. Schindler -- Intelligence in Northern Ireland / B. Bamford -- Counterintelligence : the broken triad / Frederick L. Wettering -- Delayed disclosure : national security, whistle-blowers and the nature of secrecy / Richard J. Aldrich and Christopher Moran -- The British experience with intelligence accountability / Mark Phythian -- The role of news media in intelligence oversight / Claudia Hillebrand -- High policing in the security control society / James Sheptycki -- Needles in haystacks : law, capability, ethics, and proportionality in big data intelligence-gathering / Julian Richards -- Ethics and intelligence after September 2001 / Michael Herman -- "As rays of light to the human soul"? : moral agents and intelligence gathering / Toni Erskine -- Can the torture of terrorist suspects be justified? / Maureen Ramsay -- Torture : the case for Dirty Harry and against Alan Dershowitz / Uwe Steinhoff -- Covert action and the Pentagon / Jennifer D. Kibbe -- Secret intelligence, covert action and clandestine diplomacy / Len Scott -- Netcentric warfare, C4ISR and information operations / John Ferris -- The new frontier : cyberespionage and cyberwar / Lewis Herrington -- Intelligence and counter-insurgency / Rory Cormac -- Intelligence and UN peacekeeping / Hugh Smith -- Intelligence and the Global South : China, Africa and South America / Zakia Shiraz and John Kasuku -- Learning to live with intelligence / Wesley K. Wark.