Definition
Killing or threatening to kill multiple unrelated individuals where there are [a] three or more attackers, or [b] simultaneous attack of two or more sites, or [c] an act of terrorism* which overwhelms the local jurisdiction and initiates a regional/statewide response.
*Title VIII, Section 802 of the USA PATRIOT Act: [An] act of terrorism means any activity that (A) involves a violent act or an act dangerous to human life that is a violation of the criminal laws of the United States or any State, or that would be a criminal violation if committed within the jurisdiction of the United States or of any State; and (B) appears to be intended (i) to intimidate or coerce a civilian population; (ii) to influence the policy of a government by intimidation or coercion; or (iii) to affect the conduct of a government by assassination or kidnapping.