Blood Money — William S. Brady

When Jared Hawk helped the black gunman, Aaron Turner, bring in a wanted man it was one more job - a few extra dollars in his pocket. He didn't know he was riding into the hellfire center of a range war. Nor that he'd find himself on the other side, facing Turner over the blazing muzzle of a Colt. 45. But Hawk had a simple coded: kill first and ask questions later. If there was anyone alive to answer ...