Exactly.
Binney is describing a probable cause approach.
"There’s a simple way to do it that would protect people’s privacy and not invade anybody’s telephone records or email. And that’s to say, if you have a terrorist, and he calls somebody in the United States—I call this the two-degree principle—that’s one degree of communication separation. Then you look at that as a target, and you collect that, and then you look also at the person in the United States and who they talk to. That could represent the—that’s a zone of suspicion that would, in effect, be basically a support network for that person inside the country. That defines your terrorist relationship, and that’s how you look at that. And the rest of the communication of the U.S. people don’t mean anything, as relevant, and none of that’s relevant to what’s going on there. And you also have to look at the jihadi-type sites, those that advocate jihad or violence and so on, and you see who is accessing those sites. That’s easy to monitor that, and it doesn’t invade anybody’s privacy that’s been absolutely doing nothing of—that should be in any way considered suspicious."
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