The Supreme Court won't hear an appeal from the state of Arizona over a ruling that blocked enforcement of part of Arizona's 2010 immigration law.
The justices had no comment Monday on their order declining to review the ruling that barred police from arresting people for harboring immigrants living in the U.S. illegally.
The 9th U.S. Circuit Court of Appeals found last year that the harboring ban was vague and trumped by federal law, which already prohibits the harboring of people who aren't in the country legally.
The harboring ban was in effect from late July 2010 until a federal judge in Phoenix blocked its enforcement in Sept. 2012 as part of a challenge by civil rights groups.