“Because if Ridgeway merely opens the packet and finds it a dummy, suspicion flies at once to London. No, the man on board in the cabin next door does his work, pretends to force the lock in an obvious manner so as to draw immediate attention to the theft, really unlocks the trunk with a duplicate key, throws the package overboard and waits until the last to leave the boat. Naturally he wears glasses to conceal his eyes, and is an invalid since he does not want to run the risk of meeting Ridgeway. He steps ashore in New York and returns by the first boat available.”

“But who⁠—which was he?”