What city and county seat in South Dakota, was Crow Dog, a Brulé Lakota subchief, nephew of former principal chief Conquering Bear, and leaders that helped popularize the Ghost Dance tried and convicted for shooting and killing principal chief Chief Spotted Tail?
Crow Dog: Crow Dog (also Kȟaŋǧí Šúŋka; 1833 – 1912) was a Brulé Lakota subchief, born at Horse Stealing Creek, Montana Territory. Crow Dog:  On August 5, 1881, after a long simmering feud, Crow Dog shot and killed principal chief Chief Spotted Tail (who was also at the Grattan massacre), on the Rosebud Indian Reservation.
i don't know