the white supremacist mocvement >> i for one under god will die before i will yield one inch. >> for years, the all powerful ku klux klan had led the charge. >> threats. beatings. rapings and, of course, murder. ♪ we shall overcome >> then came the civil rights movement. a crushing blow to the klan. >> free at last. free at last. thank god almighty, we are free at last. >> in its wake, klan membership declined. white supremacists were divided. among competing ideologies. pierce wrote "the turner diaries" hoping to unite the movement behind a story.