ribs and lodged two inches from his heart. Dickinson then had to stand at the mark as Jackson, clutching his chest, aimed slowly and shot him fatally. Though acceptable by the code of the times, many people considered it a cold-blooded killing. I presume the rules of engagement were for each man to draw and fire at the same time, upon hearing the signal, but if one fired, there was no "second round" until the other man fired. The implication is that magnanimity would have required Jackson to fire into the air rather than taking a slow deliberate aim at 24 feet. Jackson's wound never healed properly and abcesses formed around the bullet, causing pain and some debilitation for Jackson's remaining 39 years....
