CIA polygraph tests

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1995 The FBI affidavit implies that the investigation of Nicholson's espionage for Russia was triggered following his failure of three polygraph examinations administered by CIA polygraphers as part of his routine security update in October and December 1995, when questions "Have you had unauthorized contact with a Foreign Intelligence Service?" and "Since 1990, have you had contact with a Foreign Intelligence Service that you are trying to hide from the CIA?" revealed a high probability of deception or were marked as "inconclusive". The CIA examiner noted that Nicholson appeared to be trying to manipulate the test by taking deep breaths on the control questions, which he stopped after a verbal warning.[4]