For context, this is only possible because the state of Palestine pushed hard and persisted for years to become an ICC member and thus give the ICC jurisdiction over crimes committed on Palestinian territory, whether by Israel or by Palestinian factions. The USA is still mad at them for doing it.
The full account is worth reading, it includes considerations by the various resistance factions that they’d also be subject to ICC jurisdiction and realized threats of punitive measures by the USA and Israel if they continued to push for ICC membership: https://palepedia.org/wiki/International_Criminal_Court%27s_...
The full account is worth reading, it includes considerations by the various resistance factions that they’d also be subject to ICC jurisdiction and realized threats of punitive measures by the USA and Israel if they continued to push for ICC membership: https://palepedia.org/wiki/International_Criminal_Court%27s_...