Fighting the U.S. is ` ` a code of conduct '' that helps ISIS recruitment , he said . But taking on the world 's top military leader also comes with risks . American intelligence officials have said they 're not aware of an ISIS presence inside the U.S .
Fighting the U.S. is `` a badge of honor '' that helps ISIS recruitment , commentator says . But taking on the world 's top military power also comes with risks . U.S. intelligence officials have said they 're not aware of an ISIS plot inside the U.S .