Break the pill in half next time.
btw, if you can't shoot some old 74 year old geezer well enough to disable him when he is armed with his cattle prod or stick without dumping all 6 shots in him then maybe you ought to get theyself away from the keyboard and to the range.
If you are going to tell me a gun works for non-lethal force, then you are pretty ignorant of firearms. It is quite possible to mortally wound someone and still have them finish you off before they expire. That (and human physiological reactions to stress that make it very difficult to aim accurately or assess the number of shots) is the reason why many police departments are ok with cops emptying their gun into a suspect once lethal force is warranted.
We are talking about a 74 year old man armed with a cattle prod or stick allegedly (dead men tell no tales, he was there to round up his errant cattle and a prod or stick would seem appropriate).
If you feel that requires lethal force by expending your wheelgun's full load then you must be a real wuss.
I do not feel the shooting was justified from I can glean from published circumstance. You apparently do.
If you wish last word, then be my guest.