"CONCORD -- A search for a horse thief netted a bigger prize when Confederate Col. John Boone was arrested at the home of Samuel Riley. Boone, once a resident of St. Louis, was aide de camp to Brig. Gen. William Cabell, a brigade commander under Maj. Gen. Sterling Price, who was captured Oct. 25, 1864. He was traveling alone, armed with a pistol, without orders. Lt. William Thomas of the Callaway County Volunteer Missouri Militia was with a squad of men at Mexico when he was told that Shelton Riley, son of Samuel Riley, was wanted for stealing horses. The Riley home was on the road to Fulton, and Thomas’ squad arrived about 2 a.m.Thomas sent William Renfro to check the house to find out if Shelton Riley was home. A black woman told him there was a “a strange kind of man” visiting and “if he was not a rebel, there was rebels there every day.” Riley, 75, stubbornly refused to open the door when the soldiers demanded entry, insisting no one else was inside. “I was very much frightened and excited and violently denied any man being there, not knowing what troops they were,” Riley said in his statement about the arrest. Riley attempted to explain his action. Boone had not given his real name and had not told him he was a Confederate until after dark, Riley said."
Richard; a contemporary report of Boone's connection to organized Confederate troops. Dates would indicate this about the time of Price's raid if memory serves me.