"But why?"
"Ah, that is one of the mysteries which we must try to solve. The man was French, you say?"
"He spoke English admirably."
"No word of French?"
"Not a single word. Yet he possessed an accent rather unusual."
"He might have been a foreigner—an Italian or German, for aught you know?" the detective suggested.
"No," I answered reflectively. "His gestures were French. I believe that he was actually French."
"And the bogus police agents?"
"They, too, were French, undoubtedly. It would have been impossible to deceive the Director of the Casino, himself a Frenchman."
"Mademoiselle is quite right. I will at once see Monsieur le Directeur and hear his statement. It is best," he added, "that the matter should remain a profound secret. Do not mention it, either of you, even to your nearest friends. Publicity might very probably render futile all our inquiries."