Sunday, April 28, 2013

Drone ethics


"Can a Drone Murder?"

by

David Swanson

April 24th, 2013

Institute for Ethics and Emerging Technologies

Tuesday’s Senate Judiciary Committee’s subcommittee hearing on drones was not your usual droning and yammering.  Well, mostly it was, but not entirely.  Of course, the White House refused to send any witnesses.  Of course, most of the witnesses were your usual professorial fare. But there was also a witness with something to say.  Farea Al-Muslimi came from Yemen.  His village had just been hit by a drone strike last week.

He described the effects -- all bad for the people of the village, for the people of Yemen, and for the United States and its mission to eliminate all the bad people in the world without turning any of the good people against it.

The usual droning and yammering that preceded and followed this testimony seemed more offensive than usual.  One witness summarized the general position of pointless witnesses who accept all common wisdom and have no information or insights to contribute:

If the drone strikes are part of war, that's fine, she said.  But if they're not part of war, then they're murder.  But since the memos that "legalize" the drone strikes are secret, we don't know whether they're perfectly fine or murder.

That's the common view of things.  But to say it in front of someone who knows something about the killing from the perspective of the victims seems particularly tasteless.

The basic facts are barely in dispute.  A single individual, President Barack Obama, is choosing to send missiles from drones into particular houses and buildings.  Most of the people being killed are innocent and not targeted.  Some of those targeted are not even identified.  Most of the others are identified as run-of-the-mill resisters to hostile foreign occupations of their or neighboring countries.  A handful are alleged to be imminent (meaning eventual theoretical) threats to the United States.  Many could easily have been arrested and put on trial, but were instead killed along with whoever was too close to them.

If this is not part of a war, apparently, then it's murder.

But if it's part of a war, supposedly, it's fine.

It's funny that murder is the only crime war erases.  Believers in civilized warfare maintain that, even in war, you cannot kidnap or rape or torture or steal or lie under oath or cheat on your taxes.  But if you want to murder, that'll be just fine.

Believers in uncivilized war find this hard to grasp.  If you can murder, which is the worst thing possible, then why in the world -- they ask -- can you not torture a little bit too?

What is the substantive difference between being at war and not being at war, such that in one case an action is honorable and in the other it's murder?  By definition, there is nothing substantive about it.  If a secret memo can legalize drone kills by explaining that they are part of a war, then the difference is not substantive or observable.  We cannot see it here in the heart of the empire, and Al-Muslimi cannot see it in his drone-struck village in Yemen.  The difference is something that can be contained in a secret memo.

This is apparently the case no matter whom a drone strike kills and no matter where it kills them.  The world is the battlefield, and the enemies are Muslims.  Young men in predominantly Muslim countries are posthumously declared enemies once a drone has killed them.  They must be enemies.  After all, they're dead.

I wonder how this sounds to a young Muslim man who's taken to heart the lesson that violence is righteous and that war is everywhere at all times.

Do people who blow up bombs at public sporting events think all together differently from people who blow up peaceful villages in Yemen?

Don't tell me we can't know because their memos are secret too.  Those who engage in murder believe that murder is justified.  The reasons they have (secret or known) are unacceptable.  Murder is not made into something else by declaring it to be part of a war.

War is, rather, made criminal by our recognition of it as mass murder.



"Are US drones ethical?"

Whether drones should be used in the US is the wrong question. Americans should be asking: Is it ethical to use drones anywhere? Is it fair to search for security for ourselves at the expense of perpetual insecurity for others?

by

Jack L. Amoureux

April 1st, 2013

The Christian Science Monitor

Recently, concerns about how the US government manages and deploys its fleet of around 7,000 drones have become especially prominent. Drones have become a hot-button issue for a surprisingly diverse set of political actors, but opposition has coalesced around questions of law and procedure, including the constitutional rights of US citizens (those who might be targeted by drone attacks on foreign soil and those whose privacy rights might be violated by surveillance drones over US soil), and the need for greater transparency and regulation.

Some have even raised concerns about the potential use of armed drones by law enforcement in the US. Many companies are now marketing small, armed drones to law enforcement agencies, and some experts see their eventual implementation as “inevitable” – a source of great concern for many.

There is, however, a worrisome void in this debate about US drone policy – the lack of focus on the ethics of drones, whether used domestically or abroad. This neglect puts the United States out of step with the debates that are happening in the areas of the world most affected by drones. Whether or not drones should be employed in the US is the wrong question. Americans should be asking: “Is it ethical to use drones anywhere?”

In researching media coverage of drones over the past 12 years, I have found striking differences in what is reported in the US press relative to Arab media. US news outlets largely ignore pressing ethical questions about drones as a way to wage war and instead fixate on the technological and strategic innovations of drones, their multiple uses, diplomatic intrigue over downed drones in “unfriendly” countries, and whether drone strikes are legal.

In contrast, Arab media tend to focus on the loss of life among families and communities, the multifaceted costs of drones as weapons, and US disregard for other nations’ sovereignty. In covering the Middle East, Afghanistan, and Pakistan, news sources such as Al Jazeera and Asharq Al-Awsat depict individuals who speak of the psychological terror from the daily presence of drones. They share stories of people constantly wondering which patterns of behavior drone controllers find suspicious.

They also reveal a sense of inferiority and embarrassment when a large, powerful country arrives on (over) their soil to make decisions about who will live and die, how much civilian death is acceptable, and how a “militant” will be defined (loosely, it turns out). Citizens in these countries worry that all of these drones are creating even more extremism and terror at home. And they incredulously ask whether drones are not themselves a form of terror.

The American public is not debating these issues and engaging in dialogue with those most affected by US drone policies. If Americans elicited those voices, we could ask: Are we creating acute conditions of insecurity in other countries when individuals constantly live in fear of death falling from the sky? Is it fair to search for security for ourselves at the expense of perpetual insecurity for others? Are drones really the best alternative for the welfare of everyone, both in the short term and long term?

Domestic and international legal questions about drones reflect deeply held American values, but legal discussions fail to make sense of how these values might be reconciled in the face of specific ethical dilemmas. Nor do they recognize and grapple with the values and anxieties of other communities. And both the Bush and Obama administrations have demonstrated that it is easy to provide legal justification for controversial policies. Legal debates can distract us from urgent ethical questions.

Relationships that feature intense violence and vulnerability deserve deep reflection and deliberation. Indeed, if there are to be “new rules” in a continuing and more expansive war against terror (what the Obama administration calls its Overseas Contingency Operation), America should listen to those who are most impacted by those “new rules.”

Perhaps the prospect of armed drones hovering above Americans is ultimately a productive step for taking these ethical questions seriously if it leads us to imagine how whole populations feel about the continuous possibility that right now, in the company of friends and in their own homes, they could be in the crosshairs of a drone.


[Jack L. Amoureux is a visiting assistant professor of politics and international affairs at Wake Forest University who teaches “The Politics of Technology and Violence.”]

"Drone-Ethics Briefing: What a Leading Robot Expert Told the CIA"

by

December 15th, 2011

Patrick Lin

The Atlantic

Last month, philosopher Patrick Lin delivered this briefing about the ethics of drones at an event hosted by In-Q-Tel, the CIA's venture-capital arm. It's a thorough and unnerving survey of what it might mean for the intelligence service to deploy different kinds of robots.

 Robots are replacing humans on the battlefield--but could they also be used to interrogate and torture suspects? This would avoid a serious ethical conflict between physicians' duty to do no harm, or nonmaleficence, and their questionable role in monitoring vital signs and health of the interrogated. A robot, on the other hand, wouldn't be bound by the Hippocratic oath, though its very existence creates new dilemmas of its own.

The ethics of military robots is quickly marching ahead, judging by news coverage and academic research. Yet there's little discussion about robots in the service of national intelligence and espionage, which are omnipresent activities in the background. This is surprising, because most military robots are used for surveillance and reconnaissance, and their most controversial uses are traced back to the Central Intelligence Agency (CIA) in targeted strikes against suspected terrorists. Just this month, a CIA drone --a RQ-170 Sentinel--crash-landed intact into the hands of the Iranians, exposing the secret US spy program in the volatile region.

The US intelligence community, to be sure, is very much interested in robot ethics. At the least, they don't want to be ambushed by public criticism or worse, since that could derail programs, waste resources, and erode international support. Many in government and policy also have a genuine concern about "doing the right thing" and the impact of war technologies on society. To those ends, In-Q-Tel--the CIA's technology venture-capital arm (the "Q" is a nod to the technology-gadget genius in the James Bond spy movies)--had invited me to give a briefing to the intelligence community on ethical surprises in their line of work, beyond familiar concerns over possible privacy violations and illegal assassinations. This article is based on that briefing, and while I refer mainly to the US intelligence community, this discussion could apply just as well to intelligence programs abroad.

BACKGROUND

Robotics is a game-changer in national security. We now find military robots in just about every environment: land, sea, air, and even outer space. They have a full range of form-factors from tiny robots that look like insects to aerial drones with wingspans greater than a Boeing 737 airliner. Some are fixed onto battleships, while others patrol borders in Israel and South Korea; these have fully-auto modes and can make their own targeting and attack decisions. There's interesting work going on now with micro robots, swarm robots, humanoids, chemical bots, and biological-machine integrations. As you'd expect, military robots have fierce names like: TALON SWORDS, Crusher, BEAR, Big Dog, Predator, Reaper, Harpy, Raven, Global Hawk, Vulture, Switchblade, and so on. But not all are weapons--for instance, BEAR is designed to retrieve wounded soldiers on an active battlefield.

The usual reason why we'd want robots in the service of national security and intelligence is that they can do jobs known as the 3 "D"s: Dull jobs, such as extended reconnaissance or patrol beyond limits of human endurance, and standing guard over perimeters; dirty jobs, such as work with hazardous materials and after nuclear or biochemical attacks, and in environments unsuitable for humans, such as underwater and outer space; and dangerous jobs, such as tunneling in terrorist caves, or controlling hostile crowds, or clearing improvised explosive devices (IEDs).

 But there's a new, fourth "D" that's worth considering, and that's the ability to act with dispassion. (This is motivated by Prof. Ronald Arkin's work at Georgia Tech, though others remain skeptical, such as Prof. Noel Sharkey at University of Sheffield in the UK.) Robots wouldn't act with malice or hatred or other emotions that may lead to war crimes and other abuses, such as rape. They're unaffected by emotion and adrenaline and hunger. They're immune to sleep deprivation, low morale, fatigue, etc. that would cloud our judgment. They can see through the "fog of war", to reduce unlawful and accidental killings. And they can be objective, unblinking observers to ensure ethical conduct in wartime. So robots can do many of our jobs better than we can, and maybe even act more ethically, at least in the high-stress environment of war.

SCENARIOS

With that background, let's look at some current and future scenarios. These go beyond obvious intelligence, surveillance, and reconnaissance (ISR), strike, and sentry applications, as most robots are being used for today. I'll limit these scenarios to a time horizon of about 10-15 years from now.

Military surveillance applications are well known, but there are also important civilian applications, such as robots that patrol playgrounds for pedophiles (for instance, in South Korea) and major sporting events for suspicious activity (such as the 2006 World Cup in Seoul and 2008 Beijing Olympics). Current and future biometric capabilities may enable robots to detect faces, drugs, and weapons at a distance and underneath clothing. In the future, robot swarms and "smart dust" (sometimes called nanosensors) may be used in this role.

Robots can be used for alerting purposes, such as a humanoid police robot in China that gives out information, and a Russian police robot that recites laws and issues warnings. So there's potential for educational or communication roles and on-the-spot community reporting, as related to intelligence gathering.

In delivery applications, SWAT police teams already use robots to interact with hostage-takers and in other dangerous situations. So robots could be used to deliver other items or plant surveillance devices in inaccessible places. Likewise, they can be used for extractions too. As mentioned earlier, the BEAR robot can retrieve wounded soldiers from the battlefield, as well as handle hazardous or heavy materials. In the future, an autonomous car or helicopter might be deployed to extract or transport suspects and assets, to limit US personnel inside hostile or foreign borders.

In detention applications, robots could also be used to not just guard buildings but also people. Some advantages here would be the elimination of prison abuses like we saw at Guantanamo Bay Naval Base in Cuba and Abu Ghraib prison in Iraq. This speaks to the dispassionate way robots can operate. Relatedly--and I'm not advocating any of these scenarios, just speculating on possible uses--robots can solve the dilemma of using physicians in interrogations and torture. These activities conflict with their duty to care and the Hippocratic oath to do no harm. Robots can monitor vital signs of interrogated suspects, as well as a human doctor can. They could also administer injections and even inflict pain in a more controlled way, free from malice and prejudices that might take things too far (or much further than already).

And robots could act as Trojan horses, or gifts with a hidden surprise. I'll talk more about these scenarios and others as we discuss possible ethical surprises next.


ETHICAL AND POLICY SURPRISES

Limitations


While robots can be seen as replacements for humans, in most situations, humans will still be in the loop, or at least on the loop--either in significant control of the robot, or able to veto a robot's course of action. And robots will likely be interacting with humans. This points to a possible weak link in applications: the human factor.

For instance, unmanned aerial vehicles (UAVs), such as Predator and Global Hawk, may be able to fly the skies for longer than a normal human can endure, but there are still human operators who must stay awake to monitor activities. Some military UAV operators may be overworked and fatigued, which may lead to errors in judgment. Even without fatigue, humans may still make bad decisions, so errors and even mischief are always a possibility and may include friendly-fire deaths and crashes.

Some critics have worried that UAV operators--controlling drones from half a world away--could become detached and less caring about killing, given the distance, and this may lead to more unjustified strikes and collateral damage. But other reports seem to indicate an opposite effect: These controllers have an intimate view of their targets by video streaming, following them for hours and days, and they can also see the aftermath of a strike, which may include strewn body parts of nearby children. So there's a real risk of post-traumatic stress disorder (PTSD) with these operators.

Another source of liability is how we frame our use of robots to the public and international communities. In a recent broadcast interview, one US military officer was responding to a concern that drones are making war easier to wage, given that we can safely strike from longer distances with these drones. He compared our use of drones with the biblical David's use of a sling against Goliath: both are about using missile or long-range weapons and presumably have righteousness on their side. Now, whether or not you're Christian, it's clear that our adversaries might not be. So rhetoric like this might inflame or exacerbate tensions, and this reflects badly on our use of technology.

One more human weak-link is that robots may likely have better situational awareness, if they're outfitted with sensors that can let them see in the dark, through walls, networked with other computers, and so on. This raises the following problem: Could a robot ever refuse a human order, if it knows better? For instance, if a human orders a robot to shoot a target or destroy a safehouse, but it turns out that the robot identifies the target as a child or a safehouse full of noncombatants, could it refuse that order? Does having the technical ability to collect better intelligence before we conduct a strike obligate us to do everything we can to collect that data? That is, would we be liable for not knowing things that we might have known by deploying intelligence-gathering robots? Similarly, given that UAVs can enable more precise strikes, are we obligated to use them to minimize collateral damage?

On the other hand, robots themselves could be the weak link. While they can replace us in physical tasks like heavy lifting or working with dangerous materials, it doesn't seem likely that they can take over psychological jobs such as gaining the confidence of an agent, which involves humor, mirroring, and other social tricks. So human intelligence, or HUMINT, will still be necessary in the foreseeable future.

Relatedly, we already hear criticisms that the use of technology in war or peacekeeping missions aren't helping to win the hearts and minds of local foreign populations. For instance, sending in robot patrols into Baghdad to keep the peace would send the wrong message about our willingness to connect with the residents; we will still need human diplomacy for that. In war, this could backfire against us, as our enemies mark us as dishonorable and cowardly for not willing to engage them man to man. This serves to make them more resolute in fighting us; it fuels their propaganda and recruitment efforts; and this leads to a new crop of determined terrorists.

Also, robots might not be taken seriously by humans interacting with them. We tend to disrespect machines more than humans, abusing them more often, for instance, beating up printers and computers that annoy us. So we could be impatient with robots, as well as distrustful--and this reduces their effectiveness.

Without defenses, robot could be easy targets for capture, yet they may contain critical technologies and classified data that we don't want to fall into the wrong hands. Robotic self-destruct measures could go off at the wrong time and place, injuring people and creating an international crisis. So do we give them defensive capabilities, such as evasive maneuvers or maybe nonlethal weapons like repellent spray or Taser guns or rubber bullets? Well, any of these "nonlethal" measures could turn deadly too. In running away, a robot could mow down a small child or enemy combatant, which would escalate a crisis. And we see news reports all too often about unintended deaths caused by Tasers and other supposedly nonlethal weapons.

International humanitarian law (IHL)

What if we designed robots with lethal defenses or offensive capabilities? We already do that with some robots, like the Predator, Reaper, CIWS, and others. And there, we run into familiar concerns that robots might not comply with international humanitarian law, that is, the laws of war. For instance, critics have noted that we shouldn't allow robots to make their own attack decisions (as some do now), because they don't have the technical ability to distinguish combatants from noncombatants, that is, to satisfy the principle of distinction, which is found in various places such as the Geneva Conventions and the underlying just-war tradition. This principle requires that we never target noncombatants. But a robot already has a hard time distinguishing a terrorist pointing a gun at it from, say, a girl pointing an ice cream cone at it. These days, even humans have a hard time with this principle, since a terrorist might look exactly like an Afghani shepherd with an AK-47 who's just protecting his flock of goats.

Another worry is that the use of lethal robots represents a disproportionate use of force, relative to the military objective. This speaks to the collateral damage, or unintended death of nearby innocent civilians, caused by, say, a Hellfire missile launched by a Reaper UAV. What's an acceptable rate of innocents killed for every bad guy killed: 2:1, 10:1, 50:1? That number hasn't been nailed down and continues to be a source of criticism. It's conceivable that there might be a target of such high value that even a 1,000:1 collateral-damage rate, or greater, would be acceptable to us.

Even if we could solve these problems, there may be another one we'd then have to worry about. Let's say we were able to create a robot that targets only combatants and that leaves no collateral damage--an armed robot with a perfectly accurate targeting system. Well, oddly enough, this may violate a rule by the International Committee of the Red Cross (ICRC), which bans weapons that cause more than 25% field mortality and 5% hospital mortality. ICRC is the only institution named as a controlling authority in IHL, so we comply with their rules. A robot that kills most everything it aims at could have a mortality rate approaching 100%, well over ICRC's 25% threshold. And this may be possible given the superhuman accuracy of machines, again assuming we can eventually solve the distinction problem. Such a robot would be so fearsome, inhumane, and devastating that it threatens an implicit value of a fair fight, even in war. For instance, poison is also banned for being inhumane and too effective. This notion of a fair fight comes from just-war theory, which is the basis for IHL. Further, this kind of robot would force questions about the ethics of creating machines that kill people on its own.

Other conventions in IHL may be relevant to robotics too. As we develop human enhancements for soldiers, whether pharmaceutical or robotic integrations, it's unclear whether we've just created a biological weapon. The Biological Weapons Convention (BWC) doesn't specify that bioweapons need to be microbial or a pathogen. So, in theory and without explicit clarification, a cyborg with super-strength or super-endurance could count as a biological weapon. Of course, the intent of the BWC was to prohibit indiscriminate weapons of mass destruction (again, related to the issue of humane weapons). But the vague language of the BWC could open the door for this criticism.

Speaking of cyborgs, there are many issues related to these enhanced warfighters, for instance: If a soldier could resist pain through robotics or genetic engineering or drugs, are we still prohibited from torturing that person? Would taking a hammer to a robotic limb count as torture? Soldiers don't sign away all their rights at the recruitment door: what kind of consent, if any, is needed to perform biomedical experiments on soldiers, such as cybernetics research? (This echoes past controversies related to mandatory anthrax vaccinations and, even now, required amphetamine use by some military pilots.) Do enhancements justify treating soldiers differently, either in terms of duties, promotion, or length of service? How does it affect unit cohesion if enhanced soldiers, who may take more risks, work alongside normal soldiers? Back more squarely to robotics: How does it affect unit cohesion if humans work alongside robots that might be equipped with cameras to record their every action?

And back more squarely to the intelligence community, the line between war and espionage is getting fuzzier all the time. Historically, espionage isn't considered to be casus belli or a good cause for going to war. War is traditionally defined as armed, physical conflict between political communities. But because so much of our assets are digital or information-based, we can attack--and be attacked--by nonkinetic means now, namely by cyberweapons that take down computer systems or steal information. Indeed, earlier this year, the US declared as part of its cyberpolicy that we may retaliate kinetically to a nonkinetic attack. Or as one US Department of Defense official said, "If you shut down our power grid, maybe we'll put a missile down one of your smokestacks."

As it applies to our focus here: if the line between espionage and war is becoming more blurry, and a robot is used for espionage, under what conditions could that count as an act of war? What if the spy robot, while trying to evade capture, accidentally harmed a foreign national: could that be a flashpoint for armed conflict? (What if the CIA drone in Iran recently had crashed into a school or military base, killing children or soldiers?)

Law & responsibility

Accidents are entirely plausible and have happened elsewhere: In September 2011, an RQ-Shadow UAV crashed into a military cargo plane in Afghanistan, forcing an emergency landing. Last summer, test-flight operators of a MQ-8B Fire Scout helicopter UAV lost control of the drone for about half an hour, which traveled for over 20 miles towards restricted airspace over Washington DC. A few years ago in South Africa, a robotic cannon went haywire and killed 9 friendly soldiers and wounded 14 more.

Errors and accidents happen all the time with our technologies, so it would be naïve to think that anything as complex as a robot would be immune to these problems. Further, a robot with a certain degree of autonomy may raise questions of who (or what) is responsible for harm caused by the robot, either accidental or intentional: could it be the robot itself, or its operator, or the programmer? Will manufacturers insist on a release of liability, like the EULA or end-user licensing agreements we agree to when we use software--or should we insist that those products should be thoroughly tested and proven safe? (Imagine if buying a car required signing a EULA that covers a car's mechanical or digital malfunctions.)

We're seeing more robotics in society, from Roombas at home to robotics on factory floors. In Japan, about 1 in 25 workers is a robot, given their labor shortage. So it's plausible that robots in the service of national intelligence may interact with society at large, such as autonomous cars or domestic surveillance robots or rescue robots. If so, they need to comply with society's laws too, such as rules of the road or sharing airspace and waterways.

But, to the extent that robots can replace humans, what about complying with something like a legal obligation to assist others in need, such as required by a Good Samaritan Law or basic international laws that require ships to assist other naval vessels in distress? Would an unmanned surface vehicle, or robotic boat, be obligated to stop and save a crew of a sinking ship? This was a highly contested issue in World War 2--the Laconia incident--when submarine commanders refused to save stranded sailors at sea, as required by the governing laws of war at the time. It's not unreasonable to say that this obligation shouldn't apply to a submarine, since surfacing to rescue would give away its position, and stealth is its primary advantage. Could we therefore release unmanned underwater vehicles (UUVs) and unmanned surface vehicles (USVs) from this obligation for similar reasons?

We also need to keep in mind environmental, health, and safety issues. Microbots and disposable robots could be deployed in swarms, but we need to think about the end of that product lifecycle. How do we clean up after them? If we don't, and they're tiny--for instance, nanosensors--then they could then be ingested or inhaled by animals or people. (Think about all the natural allergens that affect our health, never mind engineered stuff.) They may contain hazardous materials, like mercury or other chemicals in their battery, that can leak into the environment. Not just on land, but we also need to think about underwater and even space environments, at least with respect to space litter.

For the sake of completeness, I'll also mention privacy concerns, though these are familiar in current discussions. The worry is not just with microbots, which may look like harmless insects and birds, that can peek into your window or crawl into your house, but also with the increasing biometrics capabilities that robots could be outfitted with. The ability to detect faces from a distance as well as drugs or weapons under clothing or inside a house from the outside blurs the distinction between a surveillance and a search. The difference is that a search requires a judicial warrant. As technology allows intelligence-gathering to be more intrusive, we'll certainly hear more from these critics.

Finally, we need to be aware of the temptation to use technology in ways we otherwise wouldn't do, especially activites that are legally questionable--we'll always get called out for that. For instance, this charge has already been made against our use of UAVs to hunt down terrorists. Some call it "targeted killing", while others maintain that it's an "assassination." This is still very much an open question, because "assassination" has not been clearly defined in international law or domestic law, e.g., Executive Order 12333. And the problem is exacerbated in asymmetrical warfare, where enemy combatants don't wear uniforms: Singling them out by name may be permitted when it otherwise wouldn't be; but others argue that it amounts to declaring targets as outlaws without due process, especially if it's not clearly a military action (and the CIA is not formally a military agency).

Beyond this familiar charge, the risk of committing other legally-controversial acts still exists. For instance, we could be tempted to use robots in extraditions, torture, actual assassinations, transport of guns and drugs, and so on, in some of the scenarios described earlier. Even if not illegal, there are some things that seem very unwise to do, such as a recent fake-vaccination operation in Pakistan to get DNA samples that might help to find Osama bin Laden. In this case, perhaps robotic mosquitoes could have been deployed, avoiding the suspicion and backlash that humanitarian workers had suffered consequently.

Deception

Had the fake-vaccination program been done in the context of an actual military conflict, then it could be illegal under Geneva and Hague Conventions, which prohibit perfidy or treacherous deceit. Posing as a humanitarian or Red Cross worker to gain access behind enemy lines is an example of perfidy: it breaches what little mutual trust we have with our adversaries, and this is counterproductive to arriving at a lasting peace. But, even if not illegally, we can still act in bad faith and need to be mindful of that risk.

The same concern about perfidy could arise with robot insects and animals, for instance. Animals and insects are typically not considered to be combatants or anything of concern to our enemies, like Red Cross workers. Yet we would be trading on that faith to gain deep access to our enemy. By the way, such a program could also get the attention of animal-rights activists, if it involves experimentation on animals.

More broadly, the public could be worried about whether we should be creating machines that intentionally deceive, manipulate, or coerce people. That's just disconcerting to a lot of folks, and the ethics of that would be challenged. One example might be this: Consider that we've been paying off Afghani warlords with Viagra, which is a less-obvious bribe than money. Sex is one of the most basic incentives for human beings, so potentially some informants might want a sex-robot, which exist today. Without getting into the ethics of sex-robots here, let's point out that these robots could also have secret surveillance and strike capabilities--a femme fatale of sorts.

The same deception could work with other robots, not just the pleasure models, as it were. We could think of these as Trojan horses. Imagine that we captured an enemy robot, hacked into it or implanted a surveillance device, and sent it back home: How is this different from masquerading as the enemy in their own uniform, which is another perfidious ruse? Other questionable scenarios include commandeering robotic cars or planes owned by others, and creating robots with back-door chips that allow us to hijack the machine while in someone else's possession.

Broader effects

This point about deception and bad faith is related to a criticism we're already hearing about military robots, which I mentioned earlier: that the US is afraid to send people to fight its battles; we're afraid to meet the enemy face to face, and that makes us cowards and dishonorable. Terrorists would use that resentment to recruit more supporters and terrorists.

But what about on our side: do we need to think how the use of robotics might impact recruitment in our own intelligence community? If we increasing rely on robots in national intelligence--like the US Air Force is relying on UAVs--that could hurt or disrupt efforts in bringing in good people. After all, a robotic spy doesn't have the same allure as a James Bond.

And if we are relying on robots more in the intelligence community, there's a concern about technology dependency and a resulting loss of human skill. For instance, even inventions we love have this effect: we don't remember as well because of the printing press, which immortalizes our stories on paper; we can't do math as well because of calculators; we can't recognize spelling errors as well because of word-processing programs with spell-check; and we don't remember phone numbers because they're stored in our mobile phones. In medical robots, some are worried that human surgeons will lose their skill in performing difficult procedures, if we outsource the job to machines. What happens when we don't have access to those robots, either in a remote location or power outage? So it's conceivable that robots in the service of our intelligence community, whatever those scenarios may be, could also have similar effects.

Even if the scenarios we've been considering end up being unworkable, the mere plausibility of their existence may put our enemies on point and drive their conversations deeper underground. It's not crazy for people living in caves and huts to think that we're so technologically advanced that we already have robotic spy-bugs deployed in the field. (Maybe we do, but I'm not privileged to that information.) Anyway, this all could drive an intelligence arms race--an evolution of hunter and prey, as spy satellites had done to force our adversaries to build underground bunkers, even for nuclear testing. And what about us? How do we process and analyze all the extra information we're collecting from our drones and digital networks? If we can't handle the data flood, and something there could have prevented a disaster, then the intelligence community may be blamed, rightly or wrongly.

Related to this is the all-too-real worry about proliferation, that our adversaries will develop or acquire the same technologies and use them against us. This has borne out already with every military technology we have, from tanks to nuclear bombs to stealth technologies. Already, over 50 nations have or are developing military robots like we have, including China, Iran, Libyan rebels, and others.

CONCLUSION

The issues above--from inherent limitations, to specific laws or ethical principles, to big-picture effects-- give us much to consider, as we must. These are critical not only for self-interest, such as avoiding international controversies, but also as a matter of sound and just policy. For either reason, it's encouraging that the intelligence and defense communities are engaging ethical issues in robotics and other emerging technologies. Integrating ethics may be more cautious and less agile than a "do first, think later" (or worse "do first, apologize later") approach, but it helps us win the moral high ground--perhaps the most strategic of battlefields.

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