I understand the purpose of carrying is to protect oneself when you feel that your life may be endangered. With that said, suppose I am at a store/gas station or whatever and I witness an attempted robbery with a BG with a gun pulled on someone. At what point are you in the right to engage the BG? Must you give a verbal warning before opening fire if you felt that unless you do, someone may be killed or is no warning needed? If at any time a BG pulls a gun on anyone Im guessing its fair game to engage them as to not risk someone innocent getting hurt correct? What about if they had just a knife? Is this grey area? I guess my question stems from a legal standpoint being that if I ever was faced with that situation, I wouldnt want to overreact or do something in someone elses defense that would put me in jail instead. Please advise. Also, I am new here, however have been visiting here for some time now for knowledge. I recently applied for my GFL about a month ago. Thanks, just trying to learn as much as possible.