Police States Happen
I'm not a big fan of MTV, but I agree with them on Police State issue. Seventy five years ago this scene or some variation of it happened to millions of people just like you and me.
The recently passed National Defense Authorization Act authorizes this type of government action in the U.S. No warrant or warning will be necessary. If you and your family are declared 'terrorists' you can be arrested and detained indefinitely. There will be no need for the tedious inconvenience of due process of law.