“Old men do not usually fight younger opponents; they either put up little to no defense (take the beating) or they just kill you.”
Correct. It’s very convenient that we have constitutional carry in Utah. At 72 I’m not about to scuffle with some punk.
I just turned 72 a few days ago myself. I live in northern Virginia and the laws concerning self-defense here, in true Virginia style, are “complicated.”
Asserting a self-defense claim here has a couple of key nits-not-to-be-picked for such a claim to hold up. Among them are: 1) that you didn’t provoke the confrontation, 2) that you didn’t commit a criminal offense (like brandishing a weapon) yourself during the run up to the actual shooting, and 3) that the minimal amount of force was used. Under these rules, the actions of the old Armenian would strip him of his right to claim self-defense. Primarily because, when he went upstairs, the situation went from disturbance to confrontation and secondarily because he shot him multiple times (until dead) at the scene. (There are not enough details to know whether or not he brandished the weapon prior to the actual shooting.)
Better to just call the police and let them sort him out. If they end up shooting him, there is a completely different set of rules involved.