A federal judge sentenced a member of a Pennsylvania militia group for selling illegal explosives.
Husband and wife New Hampshire anti-government extremists convicted on 11 felony charges.
Four anti-government tax protesters from the southern United States sentenced to federal prison.
Jose Padilla has been indicted by a federal grand jury for conspiracy to "murder kidnap and maim" people.
Federal authorities have arrested a Maryland man for allegedly providing and conspiring to provide support to a Pakistani terrorist group.
An American-born Muslim cleric has been sentenced to life in prison for providing instructions on how to reach a terrorist training camp.
A University of Arkansas graduate student has been arrested for allegedly planning to join a Middle East terrorist group.
There are signs that the most active environmental extremist movement in the United States may have been responsible for burning down luxury homes in a Seattle suburb.