Only if the state can show the federal law they want to ignore is unconstitutional.
...
The issue is enforcement of the law. A state can refuse to help enforce a federal law even when it’s constitutional.
...
The issue is enforcement of the law. A state can refuse to help enforce a federal law even when it’s constitutional."
=======================================================
This is an issue that the liberals and subversives have intentionally muddied.
Since states, cities, universities, etc. do not have the authority to create their own immigration laws, the immigration laws derived from the authority found in the Constitution are the supreme law of the land.
LEO's take an Oath of Office to uphold the U.S. Constitution.