Will ISIS 'weaponize' foreign fighters?

How big a threat do foreign fighters in Syria and Iraq pose to the West? It's a question that has been much on the mind of policymakers and commentators, especially since U.S. President Barack Obama announced the United States was ramping up its military role in the region. Will such fighters return with dangerous new skills and experience that they are determined to use against their home country? Or is the potential threat by these fighters overhyped?



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