“We can now see a reason for the disappearance of Garcia’s household. They were all confederates in the same unknown crime. If it came off when Garcia returned, any possible suspicion would be warded off by the Englishman’s evidence, and all would be well. But the attempt was a dangerous one, and if Garcia did not return by a certain hour it was probable that his own life had been sacrificed. It had been arranged, therefore, that in such a case his two subordinates were to make for some prearranged spot where they could escape investigation and be in a position afterwards to renew their attempt. That would fully explain the facts, would it not?”

The whole inexplicable tangle seemed to straighten out before me. I wondered, as I always did, how it had not been obvious to me before.

“But why should one servant return?”