[Robert Teesdale]

The officer was wrong to try and force the person to leave, but you don’t touch an officer if you don’t want to get shot.

What is this, the land of kirisute gomen?

Screw that.

[kiryandil]

"What is this, the land of kirisute gomen?"

It might be beyond that. As someone else posted above, due to the abortion that our "jesters system" has become, it's probable that the authoritays could prosecute the brother for murder.

Even the medieval Japanese couldn't think up that one, and call it "justice".

[wideawake]

Kiri-sute gomen entitled persons of proven samurai lineage or higher to kill or maim someone who offended their honor, typically through verbal insult or disrespectful gesture.

It is not peculiar to Japanese culture, but typical of all human societies, that if someone tackles you to the ground and punches or throttles you, you are allowed to use any level of force you choose to stop them.

This is called "self-defense."

Nehemiah Fischer apparently decided to imitate Trayvon Martin, and achieved a similar result.

[Jonty30]

Then go punch or push a cop and see what happens to you.