Sitting Bull did not agree to the treaty. He told the Jesuit missionary, Pierre Jean De Smet, who sought him out on behalf of the government: "I wish all to know that I do not propose to sell any part of my country." He continued his hit-and-run attacks on forts in the upper Missouri area throughout the late 1860s and early 1870s. The events of 1866–1868 mark a historically debated period of Sitting Bull's life. According to historian Stanley Vestal, who conducted interviews with surviving Hunkpapa in 1930, Sitting Bull was made "Supreme Chief of the whole Sioux Nation" at this time.
Oliphant v. Suquamish Indian Tribe a voluntary "Pilot Project" to allow certain tribes to begin exercising special jurisdiction sooner. On February 6, 2014, three tribes were selected for this Pilot Project: the Pascua Yaqui Tribe (Arizona), the Tulalip Tribes of Washington, and the Confederated Tribes of the Umatilla Indian Reservation (Oregon). Oliphant v. Suquamish Indian Tribe Oliphant v. Suquamish Indian Tribe, 435 U.S. 191 (1978), is a United States Supreme Court case deciding "whether Indian tribal courts have criminal jurisdiction over non-Indians." The Court held that they did not. The case was decided on March 6, 1978, with a 6–2 majority. The court opinion was