Yes, of course he must be prosecuted if he can be found. As a member of the general population I feel as though it’s possible that a jury wouldn’t convict him and could even find him not guilty. Then he is a free man.
Until his identity is known I shall call him Attaboy Goodman, and if a jury were to convene with me on it, I would be unlikely to take seriously any claim by the state that this vigilantism is somehow more destructive of public order than police murdering and robbing people while ignoring wage theft and corporate crimes.
The critical hit captured live on national television looked like a cutscene from a new fallout game.
Zucks passing dominates the new cycle for almost 10 minutes before the enthusiasm about a new fallout game completely overshadows him.
A few years later no one’s ever heard the name Zuckerberg outside of memes about that one oligarch who got melted by the space aliens shortly after first contact.
It turns out he’s the reason they came here, "You can’t let those things get established on your planet, clearly your people didn’t notice but that wasn’t a human. That creature was a mimic and it would have consumed you all if you let it. We’re going to station a few folks here in case another one shows up… and you got to clean this place up it’s a mess down here. "