Globally, you are 6x more likely to die at the hands of your own government (democide) than at the hands of your fellow civilian.
What do you use for home defense where you can’t own a gun?
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Metal baseball bat. Get one kinda shorter than a normal bat so you can swing it inside without hitting walls. You should always be carrying a knife.
I have a machete which I sharpen regularly. Cold steel is better than hot lead. You want to look them in the eye when you ruin their day.