A lawsuit challenging the law was heard by the U.S. Supreme Court, and in June 2012, the Court struck down a majority of the law's provisions in Arizona v. United States. Holder said that although he was pleased that much of the law had been struck down, he remained concerned over the burden it might place on local law enforcement to enforce federal immigration law and the possibility that it might be used to discriminate against the Latino community. He vowed to continue to monitor the impact of the law.
