Chemical and Biological Weapons Terrorism: Forging a Response

he 11 September 2001 terrorist attacks in the United States changed fundamentally threat perceptions regarding the use of weapons of mass destruction by terrorists. The ability to use such weapons is all the more credible because sophisticated delivery systems are not required to conduct a terrorist attack. As a consequence, governments have reviewed longstanding plans to respond to terrorist incidents and have sought to identify weaknesses and address these where possible.