Sir Arthur Conan Doyle: Adventures of Sherlock Holmes

4. ADVENTURE IV. THE BOSCOMBE VALLEY MYSTERY (continued)

"I could hardly imagine a more damning case," I remarked. "If ever circumstantial evidence pointed to a criminal it does so here."

"Circumstantial evidence is a very tricky thing," answered Holmes thoughtfully. "It may seem to point very straight to one thing, but if you shift your own point of view a little, you may find it pointing in an equally uncompromising manner to something entirely different. It must be confessed, however, that the case looks exceedingly grave against the young man, and it is very possible that he is indeed the culprit. There are several people in the neighborhood, however, and among them Miss Turner, the daughter of the neighboring landowner, who believe in his innocence, and who have retained Lestrade, whom you may recollect in connection with 'A Study in Scarlet', to work out the case in his interest. Lestrade, being rather puzzled, has referred the case to me, and hence it is that two middle-aged gentlemen are flying westward at fifty miles an hour instead of quietly digesting their breakfasts at home."

"I am afraid," said I, "that the facts are so obvious that you will find little credit to be gained out of this case."

"There is nothing more deceptive than an obvious fact," he answered, laughing. "Besides, we may chance to hit upon some other obvious facts which may have been by no means obvious to Mr. Lestrade. You know me too well to think that I am boasting when I say that I shall either confirm or destroy his theory by means which he is quite incapable of employing, or even of understanding. To take the first example to hand, I very clearly perceive that in your bedroom the window is upon the right-hand side, and yet I question whether Mr. Lestrade would have noted even so self-evident a thing as that."

"How on earth--"