There are monsters in our midist and more to come .Train ,prepare and be willing to shoot. The life you save may be your childs.
There are no "guarantees" . . . only Odds, which you want at least marginally in your favor. If one guy has a gun and one guy doesn't, the odds are preposterously against the guy without the gun.There is no guarantee that being armed in a situation like in which the victim was caught in, would have saved him from being shot.