In the Supreme Court of the United States, State of Arizona, et al., petitioners, v. United States of America, respondent [electronic resource] : on writ of certiorari to the United States Court of Appeals for the Ninth Circuit : brief of the United States Conference of Catholic Bishops, the Evangelical Lutheran Church in America, Lutheran Immigration and Refugee Service, and Rev. Gradye Parsons as stated clerk of the General Assembly of the Presbyterian Church (U.S.A.) as amici curiae in support of respondent / Brian J. Murray [and 5 others]

The issue presented is whether federal immigration law preempts Arizona's state statute providing for various forms of immigration enforcement by state officers.