This A&E History Channel documentary traces the brutal history of the United States oldest terrorist organization, the Ku Klux Klan, from its beginnings as a social organization after the Civil War through its political prominence in the 1920s to the Klan of today - a white supremacist group still preaching hatred of blacks, Jews, gays, immigrants and others. Written and produced by Bill Brummel; narrated by D. Paul Thomas.