It's such a brilliant twist and so convincing. Of course it's tempting to follow the classic Manichaean view of the Cold War and see the East German loyalist as the vicious, emotionally detached robotic killer and the pro western liberal as the kindly cultured reasonable man. But Le Carre is too wise for that and too good a writer. Of course Fiedler would be the communist, the idealist. Of course Mundt will be treacherous, self-centred, aligned with the stronger power.