"[3] She subsequently interviewed with the CIA, and was hired as a GS-06 Intelligence Assistant, a job classification which required that she obtain security and medical clearances before being granted unrestricted access to the potentially sensitive documentation she would be seeing.

[3] Grimes' first job was working in the Soviet Bloc Division of the Directorate of Operations,[4] which included the intelligence from then Colonel Dmitri Fedorovich Polyakov.

[5] In 1970, she eventually was granted an interview for conversion to professional status[5] and afterward worked her way up and was given the duty of replacing a senior intelligence analyst in the Branch.

[6] She later became a Soviet and Eastern European Division officer and remained with their counterintelligence group for eleven years, holding various titles and positions.

[12] After the arrest of then General Poleshchuk on October 2, 1985, in January 1986, Grimes was part of the attempt to stop CIA assets from being exposed, which was an extraordinary "back room" security procedure.

[13] Moscow Embassy Marine Guard Arnold Bracy and Clayton Lonetree allowed the KGB entry to the secure areas within the U.S.

[17] In 2012, Circle of Treason: A CIA Account of Traitor Aldrich Ames and the Men He Betrayed, a book co-authored by Grimes and Vertefeuille, was published by the Naval Institute Press.

[19] According to Peter Earnest, executive director (emeritus) of the International Spy Museum in Washington, DC, Vertefeuille's "friend, in her final days, was, of course, Sandy Grimes.