CNN Situation Room With Wolf Blitzer December 18, 2015 22:45:00
That's according to a new report from george washington university. more than a quarter of those people were allegedly plotting attacks according to that report. more than half of those arrested according to the report were apprehended for traveling or attempting to travel to syria or iraq to join isis. the number of arrests in the united states tripled this year, wolf, from last year of people supporting isis. >> very disturbing indeed. brian, thank you. let's dig deeper. joining us our national security analyst peter bergen, former fbi assistant director our law enforcement analyst tom fuent...