Vice President Curtis receives peace pipe from Chief Red Tomahawk, slayer of Sitting Bull. Chief Red Tomahawk, leader of the Sioux Nation and credited with having killed Sitting Bull, presented Vice President Curtis with a peace pipe at the United States Capitol today. Chief Red Tomahawk, who is 80 years old, is in the National Capital repaying the visit of Chief of Staff Charles P. Summerall, who last year was a guest of the Chief in his Western home