…
Short, short version: You must be in reasonable fear of imminent death or serious bodily injury to you or an innocent third party. In some states you must attempt to retreat from the threat, if practicable, anywhere outside your home. In other states, there is no duty to retreat anywhere you have a lawful right to be.
Not asking that question on the internet a month before the incident happens is also generally considered a good sign.
It varies by state, whether you are in your home or not, whether there is an escape route or not, stuff like that. I don’t know the rules beyond those generalities.
That’s the first rule of Justifiable Homicide Club.
You are Not suppose to talk about Justifiable Homicide Club!
Reported for talking about Justifiable Homicide Club.
Does the Op mean in terms of Law, or in terms of Ethics? Which are we discussing?
Need answer really fast?