The use of organized intimidation; a policy intended to strike with terror those against whom it is adopted; the employment of methods of intimidation; the fact of terrorizing or condition of being terrorized. (Oxford English Dictionary definition.) The United Nations High-level Panel on Threats, Challenges and Change (UNITED NATIONS, A more secure world: Our shared responsibility, Report of the High-level Panel on Threats, Challenges and Change, UN, New York (2004), p. 183) has stated the following: 164. That definition of terrorism should include the following elements: (a) recognition, in the preamble, that State use of force against civilians is regulated by the Geneva Conventions and other instruments, and, if of sufficient scale, constitutes a war crime by the persons concerned or a crime against humanity; (b) restatement that acts under the 12 preceding anti-terrorism conventions are terrorism, and a declaration that they are a crime under international law; and restatement that terrorism in time of armed conflict is prohibited by the Geneva Conventions and Protocols; (c) reference to the definitions contained in the 1999 International Convention for the Suppression of the Financing of Terrorism and Security Council resolution 1566 (2004); (d) description of terrorism as any action, in addition to actions already specified by the existing conventions on aspects of terrorism, the Geneva Conventions and Security Council resolution 1566 (2004), that is intended to cause death or serious bodily harm to civilians or noncombatants, when the purpose of such act, by its nature or context, is to intimidate a population, or to compel a Government or an international organization to do or to abstain from doing any act. See: http://www.un.org/secureworld/report2.pdf. Nuclear Terrorism: Terrorism involving nuclear material. (See: Nuclear) Nuclear Terrorist: ??Avoid this and similar journalese terms such as nuclear sabotage. Radiological Terrorism: Terrorism involving radioactive material. Radiological Terrorist: ??Avoid this and similar journalese terms such as radiological sabotage. [terrorist: Any one who attempts to further his or her views by a system of coercive intimidation; a person who uses or favours violent and intimidating methods of coercing a government or community. ??The term now usually refers to a member of a clandestine or expatriate organization aiming to coerce an established government by acts of violence against it or its subjects