SCOTT SIMON, HOST:
Now, we turn to some of the legal issues surrounding the controversial drone program. One big question, whether the U.S. can legitimately conduct deadly strikes in a sovereign country with which it is not at war. Also under consideration is whether Pakistan has actually agreed to the drone program, despite its public opposition. NPR's Dina Temple-Raston has our report.
DINA TEMPLE-RASTON, BYLINE: The important thing to understand about the U.S. drone policy in Pakistan is that it wasn't developed all at once. It emerged piecemeal over time.
DANIEL MARKEY: It started in 2004, when drones were really an oddity.
TEMPLE-RASTON: That's Daniel Markey, a senior fellow at the Council on Foreign Relations. He was on the State Department's policy planning staff when it all started during the Bush administration.
MARKEY: The first drone attack by the United States was not admitted to by the U.S. government and the Pakistani government at the time, run by Gen. Musharraf, took responsibility for that attack and claimed that it was not a drone, but that in fact was a Pakistani strike.
TEMPLE-RASTON: General Pervez Musharraf was Pakistan's president at the time. The ruse worked when drone strikes were few and far between. But then...
MARKEY: This kind of charade started to unravel. And as that unraveling became more painful for the Pakistanis, they changed their tune. And instead of taking credit, they started to complain about them publicly, while privately endorsing them.
TEMPLE-RASTON: U.S. officials say that from 2009 until about six months ago, there was consent from the Pakistanis for what the Defense Department calls a foreign internal defense mission.
CHRISTOPHER SWIFT: In international law, it is not illegal for a country to go into another country if they are invited.
TEMPLE-RASTON: Christopher Swift is a fellow at the University of Virginia Law School and used to track terrorism financing for the Treasury Department.
SWIFT: The best way to think about it is if you are having a fire in your house, and the neighbor comes to help you put out the fire, that neighbor isn't trespassing if you've invited them.
TEMPLE-RASTON: In other words, the U.S. was helping Pakistan fight its fires, al-Qaida and its associated groups - individuals who threatened both the U.S. and Pakistan. The way it used to work is that the U.S. would send target sets to Islamabad, and the Pakistanis would respond, sometimes offering more information. It was collaborative.
But that started to change after the raid that killed Osama bin Laden. Now, when U.S. officials send targeting information, the Pakistanis merely acknowledge it, without the back and forth.
ASHLEY DEEKS: The conclusion now seems to be that it is still possible to construe what Pakistan is doing as providing tacit consent.
TEMPLE-RASTON: That's Ashley Deeks. She used to be a lawyer at the State Department. Now she's an associate professor at University of Virginia Law School.
DEEKS: But you can imagine Pakistan taking one of a number of steps from here on that unwinds that tacit consent even further.
TEMPLE-RASTON: For example: It could raise a diplomatic objection, like a formal complaint at the U.N., or it could stop clearing air space, something it does now. Or it could just shoot down the drone. Drones are slow. But Pakistan hasn't done any of those things. And even if Pakistan objected more formally, it probably wouldn't end the drone attacks. That's because there is another legal theory at work. Ashley Deeks of the University of Virginia explains it this way.
DEEKS: The second legal justification, the underlying legal justification for using force against the groups it's using force against, is the self defense theory.
TEMPLE-RASTON: And that theory basically says this: Because the U.S. is targeting groups in Pakistan linked to the 9/11 attacks and the war in Afghanistan, the U.S. claims the right to target them, even without consent, which leaves Pakistan without much say in the matter.
Dina Temple-Raston, NPR News.
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