Rex Allen #18 (1955)

Rex Allen investigates a freight wagon accident and discovers one of the culprits bears a tattoo of a star on his hand, leading to a manhunt. When Rex encounters a man trying to steal his horse Koko, a struggle ensues that ends with the stranger being shot. Rex later identifies the dead man as a wanted outlaw named Jasper, realizing he was responsible for the original sabotage and other crimes in the area.