Tensions between the Earps and the McLaurys further increased when another passenger stage on the 'Sandy Bob Line' in the Tombstone area, bound for Bisbee, was held up on September 8, 1881.
Released on bail, Spence and Stilwell were re-arrested October 13 by Marshal Virgil Earp for the Bisbee robbery on a new federal charge of interfering with a mail carrier [REF].