US Indian Police: Every reservation had its own Indian Police Force which was empowered by the Federal Government. This type of badge was worn by Red Tomahawk, Police Sergeant, the man who killed Sitting Bull in
Charles Eastman, an indian who was sent away to "white man" school to assimilate. Eventually ended up at Pine Ridge Reservation and treated the injured after the Wounded Knee massacre. After Wounded Knee he became an advocate for the Sioux.