Who Pulled the Trigger — Autonomous Weapons and No One Left to Answer

For a long time I kept returning to one sentence in a report. Near Tripoli, Libya, in the spring of 2020, retreating forces were pursued and engaged by a drone "programmed to require no data connectivity between the operator and the munition" — so the final report of the UN Panel of Experts recorded it. Written in the dry register of an administrative document, that one line gets transcribed, often, as "the first battlefield killing a human did not command." But whether the drone truly judged for itself in that moment — and so who actually died — has never been confirmed by any primary source. So I read the sentence not as the confirmation of an event but as a kind of trailer: a single line, written in the cadence of bureaucracy, telling us in advance what we are walking toward.

What keeps catching me on that sentence is that no name appears in it. A death is recorded — and beside that death, not one person is written down who could say, "I did this." Which is why I have come to think that the long argument over lethal autonomous weapons does not actually sit where we usually hear it placed: at the question of whether a machine is more accurate than a person. To hand a machine the final judgment of whom to kill is, before it is the handing over of accuracy, perhaps the erasing of the one person who would have to stand before that death.

The Trap of Precision

The International Committee of the Red Cross defines an autonomous weapon system as one that "selects and applies force to targets without human intervention." The weight of the definition sits not on the firepower but on the negation in front of it — without human intervention. Between choosing a target and pulling the trigger, the person drops out. Weapons that harm people once buried and forgotten, like landmines, existed before; but what dropped out there was the moment of firing, not the choice of whom to strike. To hand over that final choice as well — that is the new line this weapon draws.

Fairness demands that the case for these weapons be set down honestly too. Its arguments are far from flimsy. A human soldier is shaken by fear and rage, and pulls the trigger even on someone surrendering after nights without sleep. No small part of a battlefield's cruelty comes from that trembling hand. A machine without emotion would not burn a village out of vengeance, and might keep the rules of engagement more coldly and precisely than a person. And it means a country need not send its own young soldiers into the deadliest places. This logic is strong. I have no intention of swatting it away.

But the question these arguments answer and the question that holds me are on different planes. To say a machine can be more accurate is an answer to how well it aims. Yet what gets delegated when the final judgment of whom to kill goes to a machine is not the precision of the aim but the seat from which someone answers for that death. A more accurate killing is not a more answerable one. If anything, the more accurate it gets, the more it sounds like permission for the human to sit further back.

"Meaningful human control." A phrase forged by a British disarmament group in 2013 that, from the next year on, became the central term on the floor in Geneva. There, I think, is why the language of disarmament has held onto it so stubbornly. It is not only the name of a technical specification. Into that flat administrative term, people tucked a moral insistence — that someone must stand before that trigger as a name.

Where the Name Drops Out

This insistence is easy to mock. Sentimental, they say — what is all this talk of names on a battlefield? But what actually collapses when the name is gone, institutions have already confirmed, coldly. A 2015 Human Rights Watch report gave that collapse a name of its own: the accountability gap. When an autonomous weapon finally causes an unlawful death, walk through whom you would hold responsible, one by one, and everyone slips through your fingers. The operator could not predict what the machine would do, so he is hard to charge; the commander can scarcely bear command responsibility for an act he did not control in real time; the programmer and the manufacturer are too far off to be made answerable for the chance events of a battlefield. The death plainly happened, and the name to set before it empties out, one slot at a time, until every slot is blank.

Of course you can read this gap as a deficiency in the law. Widen the commander's command responsibility, lay heavy liability on the manufacturer, and at least one name comes back to set in a courtroom. But what comes back that way is the recipient of the damages, not the one who answers for the death. The empty slot the law fills and the empty slot I feel as empty are on different planes — and from here on, honestly, this is a bridge I am laying myself. The moment the decision is handed to the machine, the one who would answer for that decision is handed over with it; but the machine is not a thing that can answer — it cannot regret, cannot stand in a courtroom, cannot meet the eyes of the bereaved — and so the answer, handed over just as it was, arrives nowhere and is left hanging in the air. Beyond the place the legal term "accountability gap" points to, I see another empty seat, harder to fill than that one: the place where the death happened and no one, in the end, is left to answer for it. One thing I want to make clear here. I am not saying this happens because the machine is evil. A machine does not even have the capacity to be evil. The problem is not malice but structure — the quiet mechanism by which the act of delegation erases the one who would answer.

Even the Decision to Stop Belongs to No One

So the world is trying to halt this delegation. In May 2025, UN Secretary-General Guterres called machines that take human life without human control "politically unacceptable and morally repugnant," and urged states to put clear prohibitions and regulations in place by 2026. The ICRC went a step further, proposing a two-tier approach: prohibit outright the unpredictable weapons and those built to target people directly, and strictly regulate the rest. By the numbers alone, humanity already knows the answer.

Sources: UN, Human Rights Watch, Stop Killer Robots, UNODA (composite). As-of 2024-12 to 2026-11 (scheduled). Vote counts vary by stage and year.

And yet, at the very place where that answer would be bound into a binding promise, things stall. The Geneva convention that governs this weapon moves only by unanimity. Unanimity has its own rationale: everyone must agree so that everyone is bound. But that same rationale means that however many states want the treaty, if one or two military powers heavily invested in these weapons say no, that is the end of it. It is a scene that has been circling the same spot for more than a decade.

Before that repeating scene something in me goes strangely cold. The two empty seats are not the same, of course. The hands blocking negotiation in the conference room at least have names — the United States, Russia, India, Israel, and the like. It is not as with the empty seat before the trigger, where the one who would answer has evaporated entirely. Yet the rule of unanimity grants those names a curious immunity. Stand behind a single dissenting vote and no one has to put his name forward alone to say "I blocked it"; the decision becomes the work of a rule rather than of a person, and responsibility scatters, diluted, into the procedure. Lifting the decision to kill out of human hands, and lifting the decision to stop the weapon out of human hands into procedure — different in mechanism, they resemble each other in one thing. In the end no one takes the act on as wholly his own. Even at the place where we would refuse the delegation of killing, we are running through that familiar motion one more time: detaching the decision from the person.

I cannot hand down a verdict on which side is right. But this much seems clear: the two never went onto the same scale to begin with. Whether a more accurate machine might kill fewer is a question of aim; the empty seat left behind by a death with no one to answer for it is a question of accountability. Growing the one does not fill the other on its own. Still, each time I call the Libyan line back to mind, I feel a question turn slowly past the conference room and lie down facing me. If, where someone has died, there is in the end no one to say "I did this," what are we to call that death? And the name of that last person — how far can we hand it to the machine?