Immigration law is federal, but the States can't be turned into its puppets to enforce it.
So I hope that if I move from Californicatia to Idaho, it will stop Cali-Crazies from trying make blood run in the streets of Coeur D’Alene.
Actually, they can. For as long as a state remains a member of the Republic it is bound to enforce federal law in the routine pursuance of its duties. No state agency may knowingly or deliberately refuse to acknowledge the authority of federal law. To wit, a citizen apprehended for a local crime must grant ICE access to determine citizenship and if found to be in the US illegally be taken into custody at the end of the state’s interest. Failure to do so is a violation of federal crimes against harboring fugitives.