The Testament of Sherlock Holmes Hints

Door

  • 1 of 3: It's unlikely that the secretary used the key in the door and left it there when she departed earlier, so why might Farley have left it there?
  • 2 of 3: Perhaps he did it in his haste to lock Holmes out of his office while he got rid of his mysterious visitor.
  • 3 of 3: So he closed the door and left the key in the lock.