If you're serious about self defense you MUST know and understand this principle ! http://www.useofforce.us/3aojp/ How do you know if the self defense situation you're in justifies lethal or deadly force? The attacker must have the following: 1. Ability - 2. Opportunity 3. Manifest intent (imminent jeopardy) 4. Preclusion Step One—The Central Ideas: Ability, Opportunity, Jeopardy, and Preclusion The use of lethal force that can end in homicide is justified in the situation of immediate, otherwise unavoidable danger of death or grave bodily harm to the innocent. — Massad Ayoob That statement by Mr. Ayoob, one of the premier authorities on these matters, is a succinct summary of the basic elements of any justifiable use of force in self-defense. Essentially, it is very simple: In order to determine justifiability, the courts want to know that you had to do what you did. Since “had to” is a pretty subjective judgment, it is legally defined, usually in the following way: Ability ...