As used in this article unless the context requires otherwise or it is otherwise provided:
"Act of terrorism" means an act of violence as defined in clause (i) of subdivision A of § 19.2-297.1 committed with the intent to (i) intimidate the civilian population at large; or (ii) influence the conduct or activities of the government of the United States, a state or locality through intimidation.
"Base offense" means an act of violence as defined in clause (i) of subdivision A of § 19.2-297.1 committed with the intent required to commit an act of terrorism.
"Weapon of terrorism" means any device or material that is designed, intended or used to cause death, bodily injury or serious bodily harm, through the release, dissemination, or impact of (i) poisonous chemicals; (ii) an infectious biological substance; or (iii) release of radiation or radioactivity.
2002, cc. 588, 623.