Well, I have watched this video and read the accounts currently available. The way I see it, at this point you have to ask yourself what do you think happened.
You can choose to believe this was an accidental discharge of an officers weapon with tragic results.
You can choose to believe this was a a rogue cop abusing his power and shooting an unarmed man in the back, in front of dozens of witnesses.
Undefeated in all of Asia!