Apr 1, 2021 Staff file photoChuck Sullivan, the District 18 District Attorney, says his office is working on the next steps after a state appeals court decision Thursday that will impact thousands of Pittsburg County cases. District 18 District Attorney Chuck Sullivan said his office is working on the next steps after a state appeals court decision Thursday that will impact thousands of Pittsburg County cases. All five Oklahoma Court of Criminal Appeals judges ruled Thursday that the U.S. Supreme Courtâs July 2020 decision in McGirt v. Oklahoma applies to the Choctaw Nation of Oklahoma â meaning at least 6,000 Pittsburg County cases could be challenged.