I know what a police state is. I was arrested on a night warrant years ago two nights after an election. A Mormon prosecutor and a catholic judge decided they did not like me getting a whole town out to vote. Had me arrested on a night warrant believing they would teach me a lesson. Night warrants are used for really bad criminals or by out of control judges and prosecutors. That whole case was dropped. It actually shocked a lot of people that they would be that bold but that is what you have had growing in this country for years.
I can recall the time in America, not so long ago, when no state or federal magistrate would dare to issue a "no-knock" break-in warrant for anything less than life-or-death expediency and/or the arrest of extremely dangerous felons when no alternative means of apprehension was available. Reluctance to issue a warrant enabling police to break down someone's door without warning, typically in the middle of the night, was predicated on respect for the spirit of the Fourth Amendment.