American Foreign Fighters, Financiers, and Supporters of ISIS

The Counter Extremism Project has profiled 90 Americans know to provide support for Islamist groups like ISIS:
American Foreign Fighters, Financiers, and Supporters of ISIS
In addition, the FBI is presently investigating nearly 1000 individuals within the United States with ties to ISIS:
FBI Has Nearly 1,000 Active ISIS Probes Inside U.S.
Even more troubling is the revelation that the San Bernadino killers were not even on any government watch list.  Yet the political and media Establishment are demanding that we import tens of thousands more potential Islamists even after government officials concede it is impossible to effectively vet them...