The issue focused on tax laws and federal court rulings in which Justice Antonin Scalia said he would use the Supreme Court to justify legal actions that government courts do not have jurisdiction over.

In his ruling, Justice Kennedy wrote: "If constitutional law enforcement officers think they can legally police police police police without prosecution or trial, then they should follow those criminal laws as closely as possible."

He added: "There is no legitimate legislative purpose for judicial enforcement of federal law."

Scalia's lawyer had