Only 12 Americans known to have gone abroad to fight for ISIS have returned, and only one has tried to launch a terror attack in the U.S., says a new report.
Feared wave of ISIS fighters in U.S. is a trickle so far, says expert
Only 12 Americans known to have gone abroad to fight for ISIS have returned, and only one has tried to launch a terror attack in the U.S., says a new report.