Marker Text: William C. Clifton worked as a cowpuncher on the Diamond L Ranch, where he acquired the nickname “Diamond L Slim.” On March 15, 1903, he shot and killed John W. and Luella Foster Church in the Churches’ homestead cabin on Porcupine Creek. Slim was quarreling with the Churches over money that he was supposed to have invested in a joint cattle venture. He tied their corpses together with rope and packed them two-and-a-half miles on a horse to Big Draw Gulch, where he buried them.
The Churches’ disappearance caused concern among local herders. Because Slim was known to be the last person to see the couple, he was arrested in Gillette on April 7 on suspicion of murder. Authorities immediately sent Slim to the jail in Newcastle to avoid the formation of a lynch mob in Gillette. Slim confessed to the murder on April 18 in the Newcastle jail.
President Teddy Roosevelt visited Newcastle at the height of the tension surrounding the murders. Local authorities feared that a lynching might take place during the president’s visit and temporarily moved Slim to a jail in Custer, South Dakota, until the president departed.
Around midnight on May 27, armed vigilantes stormed the Newcastle jail and seized Slim at gunpoint. These men took Slim to the bridge on the main railroad track to the Cambria Mining Company.
Knowing that a long rope would bring a quicker death, Slim is supposed to have said, “Give me a long drop, boys.” The vigilantes used such a long rope that Slim was decapitated instantly.
Legend states that the town undertaker reattached Slim’s head backwards. His boy was displayed in the window of a local hardware store prior to being buried.
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Local authorities moved Slim to several different locations to try and avoid a lynching. Gillette, where Slim was arrested is located 55 miles north of the Churches’ homestead site and was a destination for cowpunchers who were friends and neighbors of the Churches. To avoid violence, lawmen in Gillette moved Slim to nearby Newcastle, a town located 75 miles northeast of the Churches’ homestead site. He was later move to Custer, South Dakota, which is located 35 miles southeast of Newcastle.