CNN CNN Newsroom With Carol Costello December 2, 2015 15:26:00
That's a record for terrorism arrests for any year since 9/11. with me now, one of the authors of that study, lorenzo vindino, director of the george washington university program on extremism. good morning. >> good morning. good morning to you. >> lorenzo, one of the more disturbing aspects of your study, there's no one profile for those who turn to isis here in the united states. we know the average age is 26, and most are male, but other than that, the people are very different. >> absolutely. it's a staggering diversity. we have men and women. we have completely diverse socioeconomic backg...