The United States District Court for the District of Arizona (in case citations, D. Ariz.) is the U.S. district court that covers the state of Arizona. It is under the United States Court of Appeals for the Ninth Circuit. The District was established on June 20, 1910, pending Arizona statehood on February 14, 1912. The United States Attorney's Office for the District of Arizona represents the United States in civil and criminal litigation in the court. As of November 2021[update] the United States Attorney is Gary M. Restaino. From Wikipedia