People should try and remember a few things about situations like this. It is clear the victim was afraid, otherwise why draw and shoot. If someone is lunging into my vehicle, I'm shooting. I don't care if their intent is to reach in. A person can easily conceal a small yet still lethal knife and kill at close range. When someone is within arms reach, you don't have time to look them over and see whether or not they have a weapon or just what they are reaching for. One of my friends when I was in the service had a scar that ran from just behind his ear, down around his neck and all the way to his sternum. Some guy he didn't know ran up to him while he was in his car at a stop light and slashed him with a razor. He was lucky that he didn't get anything major cut, but it could have been much worse. He didn't have time to react, or judge what the guy was doing, he simply got cut. Thankfully he had a friend with him that called 911 and helped him.
When I went through firearms training for security, we were taught that the line to draw was 21 feet. The average person can cross 21 feet in under 3 seconds and stick a knife in you. We were taught that when an aggressive person was within 21 feet you should be preparing yourself for violence. If they look like they may be about to lunge at you, you should already have your side arm out and taking aim.
The shooter could very well have feared that he was in imminent danger. In my opinion, this shooting is justified. But then again, I'm not a lawyer.
