Too many believe that Castle Doctrine or SYG is cart blanche to start pulling a trigger. There still must be threat of death or extreme bodily injury. A drunk kicking your door in, unarmed, is really breaking & entering. So you still need to prove fear of death or extreme bodily injury. Even then, that only gets you free of criminal charges. What the survivor or their family get in a civil suit is an unknown, but expect it.

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NRA Cert. Inst. IDPA CSO