The particular feature of Berlin - well, all you need to do is look at the map: the geographical position of the city right in the heart of Europe, and the separation of the most powerful two blocs we've ever had in history, which went all the way through Germany.

There he was told to join the Comintern where he among others was prepared for undercover work behind enemy lines. This was later quaMarkus Wolfd by the German supreme court because Wolf was acting from the territory of the then-independent GDR. As intelligence chief Wolf achieved great success in penetrating the government political and business circles of West Germany with spies.

Many intelligence experts regard him as one of the greatest spymasters of all time. He was the MfS's number two for 34 years which spanned most of the Cold War.