Night Dragon, I do remember this and I also remember one of the survivors testament about how she had to leave her legal CCL gun outside. And how she could have stopped the guy as he had to reload to kill more people, namely her mother.
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My thoughts are from both sides of the coin.
CCL: As someone who is CCL I prefer that my weapon to defend myself and or love remains hidden till life and death are staring me in the eye. (just a term) I know that to the common tugs who seem to be running a mock in the streets that this 5' 110 lbs of aging women may look like a easy target. That is one reason why I train for the unforeseen. But I am always very aware of how fast and how easy a bad situation can change to life and death. (part of what all the training is for) Don't get me wrong I would never want to kill anyone but I also think that when live and death of myself and loves ones are involve I am a fighter and would go down trying to help others… Whether someone I knew or someone that just needed my help. (by the way all this is legal in my state, to kill or shoot to defend the lives of others)
Open carry: I grew up with open carry as farmers usually have guns when they go out to the fields, for coyotes, wild dogs what ever. It has never bothered me and it still does not. I walk into a restaurant and see someone open carry I know that these thugs are going to see it also. Maybe it will be a deterrent to not pull their dumb shit in this place. I have no trouble with their choose to do so.
I see this more of an individual choice ( sort of like what style undies you wear) what ever they are comfortable with. Me I just prefer to conceal , no need to make them aware of what I might or might not be able to do to defend myself. Sort of the old saying start no trouble there will be no trouble,.