That's right, in Arizona, they can check your papers. In Fremont, Nebraska, everyone who wants to rent any property has to seek and recieve permission from the local police force.
At this rate, the red states will have voted themselves into a police state before the next Presidential election. I'm sure the Democrats will be blamed.
Of course, Barr says it best:
Such measures clearly illustrate that a majority of Americans are willing to grant far-reaching – even arbitrary — powers to law enforcement to infringe their liberty simply to salve their concern over policy disputes.