Islamic State could soon execute 9/11-scale attack in U.S.; FBI warns local cops

Though much Islamic State rhetoric may be bluster, analysts say the terrorist group is sufficiently wealthy and has enough social media savvy that, if unchecked, it likely could execute a 9/11-scale attack in the U.S. a few years from now.

In the latest indication of U.S. counterintelligence difficulties with “lone wolf” attacks, the FBI director said Thursday that the agency warned local police and sent them an intelligence bulletin several hours before a Muhammad cartoon-drawing contest that a man with Islamist terrorist ties might show up there.