Most terrorist attack like 70%+ are by US Citizens -- many have been Caucasian preppers too.
A lot of this is hysterical.
A lot of these problems are self-created -- we had Abū Bakr al-Baghdadi under arrest at Gitmo
ISIS Leader: "See You in New York" - The Daily Beast
Obama's military intel let his go
CT theorists can work that one to death. I credit the US with great stupidity. Most of those prisoners should have been tried and shot.