Liberals love to pretend the law is self-enforcing and refuse to ask what role the state's deeply racist and violent state bureaucrats, or the police and sheriff's offices (nevermind any ICE agents operating in the state) will play.

https://en.wikipedia.org/wiki/Operation_Eagle_Eye_(United_States)

Incidentally, Supreme Court Justice William Renquist started his career as a poll-watcher in Arizona, screening out any who looked too Democrat.