Estimating the threat

• Chronology of Fissile Material Theft
• "Nuclear Power Plants: Vulnerability to Terrorist Attack," by Carl Behrens and Mark Holt, Congressional Research Service, February 4, 2005.
• "Port and Maritime Security: Potential for Terrorist Nuclear Attack," Jonathan Medalia, Congressional Research Service, December 7, 2004.
• Nuclear Proliferation and the Potential Threat of Nuclear Terrorism, Mohamed ElBaradei, Asia-Pacific Nuclear Safeguards and Security Conference,8 November 2004.
• "Nuclear Terrorism: A Brief Review of Threats and Responses," Jonathan Medalia, Congressional Research Service, September 22, 2004.
• "World at Risk: The Report of the Commission on the Prevention of WMD Proliferation and Terrorism
• The speech "A World Free of Nuclear Weapons," by Sam Nunn, co-chairman of the Nuclear Threat Initiative International Conference on Nuclear Disarmament.