Mr. President. in February. the Director of the National Counterterrorism Center estimated that nearly 20.000 foreign fighters had joined ISIS or other related groups in Syria. Among those. some 3.000 were from Western countries. In other words. many of them either had American passports or those that are part of the visa waiver program and could travel. really. without anything other than that passport in the country. Over 150 were from the United States. Just last week. in describing the widespread nature of this growing threat. FBI Director James Comey said that the FBI is working on hundreds of investigations in the United States. hundreds of investigations.