I'm going to leave this up as the question is not against the rules. However any suggestion of violence against any people will not be tolerated.

The same way we held accountable the perpetrators of the genocides in Rwanda and Armenia and Tibet and Darfur and Myanmar and Bosnia and Lebanon and Indonesia.

Kind of like Israel did for fugitive Nazis after WW2. Clandestine snatch-and-grabs, followed by perfunctory trials and swift execution. In this case however, it's hard to imagine any star sponsorship, so it will likely fall upon citizens of good conscience everywhere

Step 1 is to get Daddy America out of that picture. As long as the US continues to be their bitch, Israel will never face punishment.

Stopping the genocide is a necessity. Getting "justice" for the genocide is a luxury.

Palestinians will not forget what happened. No matter the media cycle or influencers.

Convince the US that Israeli accountability is in their geopolitical interests, because otherwise the US will continue to protect them and provide diplomatic cover against international law. And, uh, good luck with that.

Mostly, it's the same story as whatever genocide in Africa. I'm not worried about the ICJ handling it, unless Israeli officials complete their irony arc by fleeing to Argentina. Or just win and occupy the whole Middle East, somehow.

The extra thing that really needs to happen is a detailed inquiry into how they've so thoroughly dominated the narrative in the West, so we can prevent it from ever happening again. Apartheid South Africa was supposed to be the last evil faction we fully threw our lot in with.

Israel showed the world how. They setup covert groups of Nazi hunters and went to work. The same strategy should work for any and all responsible for genocide.

Thermonuclear annihilation during WW3.

You can even hold your own politicians accountable lmao

Key word is "when" because currently they are throwing blows with Iran. But to answer your question, probably never as we would need a near apocalyptic event to tumble our current power structure everywhere to allow us to hold them accountable.