Lawmen were then still largely amateurs. They rarely attended training academies or steeped themselves in the emerging scientific methods of detection, such as the analysis of fingerprints and blood patterns. Frontier lawmen, in particular, were primarily gunfighters and trackers; they were expected to deter crimes and to apprehend a known gunman alive if possible, dead if necessary. “An officer was then literally the law and nothing but his judgment and his trigger finger stood between him and extermination,” the Tulsa Daily World said in 1928, after the death of a veteran lawman who’d worked
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