You are an intelligence analyst for the Federal Bureau of Investigation (FBI) assigned to the Counterintelligence (CI) Division. The FBI’s CI Division has been involved in the field of CI for decades. During this period, the CI division has conducted thousands of CI investigations, many of which have had a major impact on the history and national security of the United States. It is important as an intelligence analyst with the CI Division to have a clear understanding of these cases and to learn from both its past CI successes and failures.You have been asked by your supervisor to research major espionage cases to produce an intelligence assessment from a historical perspective that will help to recognize anomalies that might indicate the presence of espionage and assist in the neutralization process in the future.