1: U.S . officials CNN has spoken to have voiced their concern about the potential for an ISIS presence . 2: One U.S . military officer said the militants currently have limited capability but are trying to recruit disillusioned Taliban in several areas around the country 's east and south . 3: U.S. official : ISIS militants have  no military capability  at present , but are trying to recruit disillusioned Taliban in several areas .
1: U.S . officials CNN has spoken to 2: One U.S . military officer 3: U.S. official