The average private citizen knows vanishingly little about the complexities involved in deadly force encounters. Self-defense is not something you can master from reading books or watching John Wick movies. It’s something you must experience, something that requires hands-on training. And yet, while looking at a screen from the comfort of their reclining chair, the average private citizen feels equipped to pass judgement on those who are forced to make split-second decisions—or risk being killed.