He had every right to be where he was. What the hell is the matter with you? He had no obligation to withdraw at all. He had every right to stand his ground and prevent the thugs form inflicting bodily harm on him which it is certain they would have done.
Get your ass off this forum with that attitude jackass!
What State and College of Law is your Law Degree from?
Different State have different laws. An Oregon Jury said that he did not. Go argue with them.