“No, I haven’t noticed any change.”

“And yet you think he has secured the letters. Now, in my opinion, he has not got those letters, and it was not he who came here on the night of 22 June.”

“Who was it, then?”

“The mysterious individual who is managing this affair, who holds all the threads in his hands, and whose invisible but far-reaching power we have felt from the beginning. It was he and his friends who entered this house on 22 June; it was he who discovered the hiding-place of the papers; it was he who left Mon. Andermatt’s card; it is he who now holds the correspondence and the evidence of the treachery of the Varin brothers.”

“Who is he?” I asked, impatiently.