The GRU
Sometimes referred to as the 'Fourth Department, Russian military intelligence', it was created in 1918 and produced a network of spies which operated worldwide through the Stalinist era, World War II and still employs 100,000. The GRU also controls Russia's Special Warfare Services known as the Spetsnaz.
More from Season 1
Episode 1
Hitler's Spies
During World War II, German intelligence spread its tentacles across the globe, operating throughout occupied and neutral Europe, and even as far afield as the United States. Discover how German intelligence proved a formidable foe, and how, in the end, it was totally compromised from its centre.
Episode 2
Berlin Spy Secrets
Berlin has always been a hotbed of espionage. Uncover the secrets under the Kaiser, during the tyranny that was Hitler's Third Reich, and throughout the long Cold War that followed the destruction of the Nazi empire by the Allies.
Episode 3
Bletchley Park
An unprepossessing Victorian Mansion 50 miles north of London, Bletchley Park started life as Station X before developing into the most potent deciphering center of World War II when the German Enigma codes were cracked by its staff.
Episode 4
The CIA
Established by President Truman, the CIA became a global agency for collecting and evaluating intelligence through covert action. It has a fascinating history throughout the post-war world to the modern day.
Episode 5
The Code Breakers
The fascinating story of 20th-century efforts by all sides to break down the enemy's signals security, to protect the sender's signals, and penetrate the enemy's secret communications. Many battles in the last 100 years have been won or lost because one side or the other could read its opponent's intercepted messages. From the famous Zimmerman Telegram in April 1917 through to the breaking of the Japanese Purple codes and the more recent Russian codes, trace the history of code breaking.
Episode 6
The FBI Spy Files
The FBI serves as a national police force investigating interstate crime. However, it also handles violations of U.S espionage laws by foreign agents. Probe the department's entire history, including the G-man era, interception of Nazi agents, communist-hunting in the 1950s, the search for subversives, and its role in the post-Cold War world.
