Terrorist Groups / State Sponsors

Terrorist groups

There is speculation that anthrax mailed inside letters to U.S. politicians was the work of a lone wolf terrorist.

Main articles: List of designated terrorist organizations and Lone wolf (terrorism)

State sponsors

Main article: State-sponsored terrorism

A state can sponsor terrorism by funding or harboring a terrorist organization. Opinions as to which acts of violence by states consist of state-sponsored terrorism vary widely. When states provide funding for groups considered by some to be terrorist, they rarely acknowledge them as such.