The United States Attorney for the Western District of Oklahoma is the chief federal law enforcement officer in forty Oklahoma counties. The U.S. District Court for the Western District of Oklahoma has jurisdiction over all cases prosecuted by the U.S. Attorney. Sanford Coats, who was appointed by Barack Obama in 2009 is the U.S. Attorney for the District.
Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian, Cimarron, Cleveland, Comanche, Cotton, Custer, Dewey, Ellis, Garfield, Garvin, Grady, Grant, Greer, Harmon, Harper, Jackson, Jefferson, Kay, Kingfisher, Kiowa, Lincoln, Logan, McClain, Major, Noble, Oklahoma, Payne, Pottawatomie, Roger Mills, Stephens, Texas, Tillman, Washita, Woods, and Woodward. The court sits at Chickasha, Enid, Guthrie, Lawton, Mangum, Oklahoma City, Pauls Valley, Ponca City, Shawnee, and Woodward.