Tom, and others,
Again, this isn't about Monday Morning Dissection of the incident in question.... We're talking about the concept of preparation ahead of time to deal with the fear/circumstances and really analyze the situation in the context of NEEDING to shoot, as opposed to "The Law Now Says I CAN Shoot"....
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Weads,
As far as:
What do you think of Massad Ayoob's theories on home defense?
I don't want to jump into that until the question is more clearly expressed.... Mas has been writing/speaking/teaching on defensive issues for a long time..... if you have a specific point of his, I'd gladly address it.
In your post, you mentioned that you opened the door in a situation where you also felt like it was important to show your firearm. My advice in
that type of situation is that if you don't need to open the door, don't do it. There is no sound tactical reason to open the door and expose yourself to danger. As we demonstrated on TBD, you can talk to the person through the door or window. When you leave your room for no reason (securing other family members, etc), when you open the door, when you go outside your home or in any other way "move forward" into more danger, you are inviting an otherwise unnecessary use of force. Through your own actions, you can create a "justified" situation.....
-RJP