We knew this was coming: killer AI drones are here. Some hoped to put treaties in place ahead of time to limit the human damage. We’re much too late for that. Now, like poison gas (used by Russia against Ukraine), land mines (used by both Russia and Ukraine), cluster munitions (used by both Russia and Ukraine), nuclear weapons (threatened by Russia), autonomous drones will only have international norms set after we thoroughly explore all the bad ways to use them on the battlefield.