Moreover, if we admit the possibility of his having been murdered--for that is what concealment of the body would imply--there is the question: Who could have murdered him?
Not the servants, obviously, and as to Hurst--well, of course, we don't know what his relations with the missing man have been--at least, I don't." "Neither do I," said Thorndyke.

"I know nothing beyond what is in the newspaper report and what Berkeley has told us." "Then we know nothing.

He may have had a motive for murdering the man or he may not.

The point is that he doesn't seem to have had the opportunity.

Even if we suppose that he managed to conceal the body temporarily, still there was the final disposal of it.