William Walker killed his neighbor, Calvin Church near Durant, Choctaw Nation, in December 1887. The killing followed a dispute over an axe that escalated into a verbal confrontation and then murder. Both men were Black.
Arrested soon after the killing, Walker was taken to Fort Smith for trial. He was convicted of murder in February 1889 and sentenced to death on April 29.
William Walker was hanged on August 30, 1889.