That's not to say that drone strikes aren't going on, or that the possibility that a model like this might be used to direct them isn't concerning.
"Yes, there are drone strikes in Pakistan, and yes, they kill innocent people -- these things are not in dispute," Ball said. But in the case of this model, "all we know is what's on a few slides, and that's worrisome."
The NSA did not respond to a request for comment.
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