Isis Forces Fighting News Today

With low vapor explosives making them very difficult to detect. what makes this all the more frightening, known to be among isis forces fighting in iraq and syria are hundreds of westerners carrying u.s. or european passports. >> were working hard to identify those who might want to travel, those who are over there so we can figure out who to watch when they come back. >> u.s. officials are imploring foreign governments to bolster airport security. >> i cant give you all the details but thats ve...