This book gives readers a balanced look at the issue of extremist groups and its surrounding arguments. Extremist Groups familiarizes readers with the history of extremism in the United States, as well as the First Amendment. Topics include the rights of extremists, determining when actions cross the line, and deciding when force is justified. Also addressed is extremism as it relates specifically to abortion opposition, eco-terrorists, and jihadists in the United States. Color photos and informative sidebars accompany easy-to-follow text. Features include a timeline, facts, additional resources, web sites, a glossary, a bibliography, and an index.