But of course, that's what we're all going to be guarding against. What we do know in terms of Europe is There have been literally thousands of foreign fighters that have gone from different European countries into Syria and are now coming back in. And we also know that a number of these have been identified as coming back into Europe through the refugee flow. So that's a threat we have to take very seriously. (00:40–00:48)
CLAIM
Asserts that thousands of foreign fighters have traveled from Europe to Syria and are returning.
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