Oklahoma's land reserved for the Creek Nation since the 19th century remains "Indian country". Native Americans residing in the reservation cannot be criminally prosecuted by the state of Oklahoma. Reaffirms McGirt v. Oklahoma Decided July 9, 2020 (argued November 27, 2018). Dissenting: Thomas, Alito (dissenters did not file or join an opinion). Topic: Native American law. Sharp v. Murphy, 591 U.S. 977 (2020), was a Supreme Court of the United States case of whether Congress disestablished the Muscogee (Creek) Nation reservation. After holding the case from the 2018 term, the case was decided on July 9, 2020, in a per curiam decision following McGirt v. Oklahoma that, for the purposes of the Major Crimes Act, the reservations were never disestablished and remain Indian country. Wiki link