Don't forget homegrown terrorism

The Enemy Among Us, from Legal Affairs.

As Six spoke, the square-jawed man who had set off on his own rounded the cornfield and came back into view. He was still smoking, still silent. His fatigues were crisp, the Army Ranger and U.S. Army patches sewn onto them line-straight. When he passed in front of Six and claimed a spot on the left side of the shooting range, a couple of heads turned. Around him rose the rapid pop and blast of bullet spray. He squeezed the trigger of his gun at a slow, deliberate pace. Six watched for a moment, then raised his hand to point. "Guys like that," he said, "are going to make this thing work."