I should have said this earlier, but I was in a hurry. As I have said more than once here, before getting her too far into the gun thing, she has got to be CERTAIN that she could use a firearm against another person. Absolutely certain. If the need arises and she can not pull the trigger, the badguy will simply take the gun away from her, and things will really go downhill from there. Having a gun in the house, intending to use it as a bluff, will not work. You/she also need to check your state laws as to the used of lethal force. Some states will let you pop anyone who enters your home uninvited, others want you to abandon your castle to the bad guys. Use deadly force in the wrong place and you can be in deep doodoo...
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OBG