Of the three hundred domestic-terrorism cases studied, about a quarter arose from anti-government extremists, white supremacists, or terrorists animated by bias against another religion. And all of the most frightening cases—involving chemical, biological, and radiological materials—arose from right-wing extremists or anarchists. None arose from Islamist militancy.
The Sikh Temple Shooting: What Is America’s Real Terrorist Threat? : The New Yorker (via nickdouglas)