At our college we were taught a universal approach to find out about a person: what problems the person has, what difficulties, what personal tendencies and likings.
Markus WolfOne person can take papers, photograph them without getting excited, return them, and give them away without any scruples; while someone else has to overcome an enormous obstacle.
Markus WolfThe 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.
Markus WolfMaking use of human weaknesses in intelligence work is a logical matter. It keeps coming up, and of course you try to look at all the aspects that interest you in a human being.
Markus Wolf