By Jeff Stein Spy Talk 
WASHINGTON — Two longtime veterans of the intelligence wars between Russia and the West say it’s inconceivable that the spies deported to Moscow Friday didn’t detect FBI surveillance years ago.
And that, they say, could explain why the FBI never produced evidence in court that the “illegals” had obtained any classified information: They stopped spying as soon as they discovered they were being watched — but stayed just busy enough to distract the FBI, potentially, from more important operations.
“If you’re under surveillance, you don’t do anything — you’re burnt,” said Victor Ostrovsky, a prominent former Mossad operative who said the lsraelis taught trainees about surveillance by studying real Russian spies at work. “You might as well pack yourself up slowly and go home.”
An American counterintelligence veteran said: “It does boggle the mind that they never allegedly picked up on any of the watchers nor learned of any of the technical ops run against them. It really is amazing.”
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