Originally Posted By: PrimeD
According to Jonathan Paul Koppenhaver's brother or friend on Twitter, she was the one who attacked him with a knife while he was fighting the other guy in the room.

You would be better off if you were a fake lawyer. This is neither relevant nor dispositive. See NRS 200.200 and NRS 200.275. Also look up Nevada law on defense of others. Bottom line: Mack was entitled under Nevada law to use deadly force in defense of herself or her paramour if she reasonably believed her life was in danger and such force was necessary to end the threat.