Sitting Bull's 17 yr old son Crow Foot, lay down his life trying to stop his father from being arrested. Why was Sitting Bull arrested? In 1888 Sitting Bull rejected a new offer to sell Sioux land. The U.S. government became increasingly frustrated by his refusal to negotiate a deal and orders were given for his arrest. Deaths: Indian Police: 6 killed and 1 wounded. Sitting Bull's followers: 7 killed, including his adopted brother Jumping Bull and 3 wounded. Crow Foot, a hero in my book.