"I can swear to it, and besides, if they had had the key or a duplicate, why should they waste time trying to force an obviously unforceable lock?"
"Ah! there is exactly the question we are asking ourselves! I venture to prophesy that the solution, if we ever find it, will hinge on that curious fact. I beg of you not to assault me if I ask you one more question: Are you perfectly certain you did not leave the trunk unlocked?"
Philip Ridgeway merely looked at him, and Poirot gesticulated apologetically.
"Ah, but these things can happen, I assure you! Very well, the bonds were stolen from the trunk. What did the thief do with them? How did he manage to get ashore with them?"
"Ah!" cried Ridgeway. "That's just it. How? Word was passed to the Customs authorities, and every soul that left the ship was gone over with a toothcomb!"
"And the bonds, I gather, made a bulky package?"
"Certainly they did. They could hardly have been hidden on board—and anyway we know they weren't because they were offered for sale within half an hour of the Olympia's arrival, long
