Introduction
Introduction
The massacre in June of nine African-American worshippers at the historically black Emanuel AME Church in Charleston, S.C., was the most lethal in a string of ideologically motivated post-9/11 attacks committed by far-right extremists. They range from white supremacists and anti-government militia members to so-called sovereign citizens, who deny the legitimacy of most U.S. laws. Dylann Roof, the 21-year-old suspect in the Charleston killings, is believed to have written an online manifesto ranting against blacks and Hispanics and explaining how a white supremacist website inspired him to commit violence. While experts say most adherents of extremist movements are not violent, a recent survey found that police agencies are more concerned about violence by anti-government extremists than by Islamic extremists. The threat of violence has spurred ...