Let's get hypothetical here. If someone, for whatever reason, became so enraged against a group of people, and your child was part of that group, that the enraged people decided to "take out" that entire group. Wouldn't you blow the guy away before he killed your child?
as a mother of 5, my answer is NO. I would do everything I could to protect my child, but NOT pre-emptively attack anyone because that's contrary to my more values and integrity. I would focus on other ways to resolve the conflict and protect myself... encouraging use of brain power rather than brawn.
Sara
"I never give them hell. I just tell the truth and they think it's hell." - Harry Truman