The USSC just destabilized that sort of thing by making it quite lawful for a state to direct the cops to inquire of status. AZ had a number of 'sanctuary cities" ~ to wit; Chandler, Mesa, Phoenix and Tucson.
So much for the far leftwingtards in AZ and everywhere else.
From Vegas to North Carolina, every non-sanctuary city is crawling with illegals...And they're choking off their schools, social services, heath care, welfare, you name it.
Look at your big so-called red states:
In Texas 70% of Illegal Aliens Receive Welfare