That may be true. I don’t know. It is possible.
People screw up. What this guy tried to do was terribly wrong.
Once the threat has been eliminated, it then becomes two equal human beings again.
To shoot a man who is no longer a threat to you, is just wrong.
This guy might rethink his life and turn things around. If he’s no longer a threat, I think he deserves that chance.
If he makes a move again, demonstrates that he’s still a threat, take him out. You should.
No because he flinches, but because he had a gun and looked ready to use it. He’s fair game then.
Whatever conclusion a jury comes to, a life sentence was way out of line. People who have just been traumatized by being robbed at gunpoint should be given some latitude for faulty judgement a mere minute after the traumatization.