When German police arrested a group of computer hackers, the world learned of one of the first and most far-reaching espionage stories of the 20th century. The hackers had broken into some of the most sensitive computer systems in the US government. What were they trying to find out and who were they working for?
Welcome to a world where there are no answers, where the truth is often hidden behind a cloak of deceit. This spine-tingling series will provide a unique insight into some of the most intriguing events of the 20th century. Where are the answers to these mysteries? They are locked away in files that most people never get to see. Files marked: Classified.