They said they saw the flat was open, and that there must be work going on in it, but they took no special notice and could not remember whether there actually were men at work in it.”
“Hm!... So the only evidence for the defence is that they were beating one another and laughing. That constitutes a strong presumption, but... How do you explain the facts yourself?”
“How do I explain them? What is there to explain? It’s clear. At any rate, the direction in which explanation is to be sought is clear, and the jewel-case points to it. The real murderer dropped those ear-rings. The murderer was upstairs, locked in, when Koch and Pestryakov knocked at the door. Koch, like an ass, did not stay at the door; so the murderer popped out and ran down, too; for he had no other way of escape.