“Why, not at all. As I said before, the idea is to get him to talk—and while he’s talking, you chaps will be outside the window, listening to his voice. Incidentally, I expect to make a mental note of his expression when Kolinski is mentioned to him. But, my young critics, your listening stunt is the one and only reason we’re going to Greenwich tonight. By orders of the President, I am not permitted to go further in this case until both of you have identified Professor Fanely’s voice as the one you heard, blindfolded, in that tower room yesterday morning.”