....which is why anecdotal references are almost totally irrelevant in tactical/defensive discussions. BT/DT discussions degrade quickly to a "3 blind men describing the elephant" argument.
Unless a man has personal experience in killing other men, other peoples' anecdotes are all he's got to go on when thinking about self-defense.
What about reason, logic, and knowledge that comes from science? For instance action is faster than reaction; therefore, bad guys have advantage if they know they're going to initiate gunfights.
