After 9/11, it was the men who went to radicalized mosques or terror boot camps who were seen as the biggest terror threat. Today, that picture’s changed: Authorities are increasingly focusing on the lone wolf living next door, radicalized on the Internet – and plotting strikes in a vacuum.
The March fatal shooting of two American airmen in Frankfurt by a Kosovo Albanian. The attempted backpack bombing on Fort Hood, Texas, apparently inspired by the deadly 2009 assault on the U.S. base. The foiled attack on Fort Dix, N.J., by a tiny cell of homegrown terrorists.