Why did red tomahawk kill sitting bull?

Red Tomahawk killed Sitting Bull on December 15, 1890, during an attempt to arrest him as part of a crackdown on the Ghost Dance movement, which was seen as a threat by U.S. authorities. The operation aimed to suppress Native American resistance and restore order. During the encounter, a struggle ensued, leading to Sitting Bull's death. This event marked a tragic moment in the history of Native American resistance against U.S. government policies.