Everyone on this forum is using it to blast the idea that immigrants are terrorists. No, not all immigrants are terrorist by any means. They are truly l the backbone of what makes America great. That being said, there are thousands of immigrants that are currently under investigation across every state for terrorism, and thousands of them trying to get in and inflict harm on western ideal. Do you think if the law enforcement in San Bernardino had trained for that situation they would have performed better in the apprehension of the attackers? Use your logic, I'm confident you can answer on your own. Saying that most terrorists are from the US is a very weak argument in 2017.