US Radicals Bigger Terror Threat Than Jihadis in America

Report says white supremacists and anti-government extremists are deadlier.

The non-Muslim extremist attacks, which range from ambushing police officers to deliberately crashing a plane into a government building, were carried out by white supremacists, anti-government extremists and other non-Muslims. The slaying of nine African-Americans in Charleston, South Carolina, last week, marks the deadliest of these attacks yet.