@OP: Yes, and it's getting worse.
Also, the Posse Comitatus Act has been violated in just about every way, especially with the government arming local police with militarized weapons and equipment. Given the fact that police brutality is on the rise, even someone with only two brain cells could see what is bound to happen.
Not to mention the recent (and some not so recent) stories of how swat teams are being used illegally (to collect bills that are overdue, etc.), america is in serious trouble of becoming a police state, whether people want to accept it/believe that or not is irrelevant. It's not hard to come to the conclusion and it certainly is a very possible outcome.
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Writer. Author.