don't know, any more than I know the room in which the crime was committed, or the really miraculous way in which the criminal escaped."
"Something has been said about two blue labels."
"Yes, one was found on the box which Lupin sent back; and the other was found by me and doubtless came from the morocco note-case stolen by the murderer."
"Well?"
"I don't think that they mean anything. What does mean something is the number 813, which Mr. Kesselbach wrote on each of them. His handwriting has been recognized."
"And that number 813?"
"It's a mystery."
"Then?"
"I can only reply again that I don't know."
"Have you no suspicions?"
"None at all. Two of my men are occupying one of the rooms in the Palace Hotel, on the floor where Chapman's body was found. I have had all the people in the hotel watched by these two men. The criminal is not one of those who have left."
"Did no one telephone while the murders were being committed?"
"Yes, some one telephoned from the outside to Major Parbury, one of the four persons who occupied rooms on the first-floor passage."
"And this Major Parbury?"
"I am having him watched by my men. So far, nothing has been discovered against him."
"And in which direction do you intend to seek?"
"Oh, in a very limited direction. In my opinion, the murderer must be numbered among the friends or connections of Mr. and Mrs. Kesselbach. He followed their scent, knew their habits, the reason of Mr. Kesselbach's presence in Paris; and he at least suspected the importance of Mr. Kesselbach's plans."
"Then he was not a professional criminal?"
"No, no, certainly not! The murder was committed with extraordinary cleverness and daring, but it was due to circumstances. I repeat, we shall have to look among the people forming the immediate circle of Mr. and Mrs. Kesselbach. And the proof is that Mr. Kesselbach's murderer killed Gustave Beudot for the sole reason that the waiter had the cigarette-case in his possession; and Chapman for the sole reason that the secretary knew of its existence. Remember Chapman's excitement: at the mere description of the cigarette-case, Chapman received a sudden insight into the tragedy. If he had seen the cigarette-case, we should have been fully informed. The man, whoever he may be, was well aware of that: and he put an end to Chapman. And we know nothing, nothing but the initials L and M."
He reflected for a moment and said:
"There is another proof, which forms an answer to one of your questions, Monsieur le Président: Do you believe that Chapman would have accompanied that man along the passages and staircases of the hotel if he did not already know him?"
The facts were accumulating. The truth or, at least, the probable truth was gaining strength. Many of the points at issue, the most interesting, perhaps, remained obscure. But what a light had been thrown upon the subject! Short of the motives that inspired them, how clearly Lenormand's hearers now perceived the sequence of acts performed on that tragic morning!
There was a pause. Every one was thinking, seeking for arguments, for objections. At last, Valenglay exclaimed:
"My dear Lenormand, this is all quite excellent. You have convinced me. … But, taking one thing with another, we are no further than we were."
"What do you mean?"
"What I say. The object of our meeting is not to clear up a portion of the mystery, which, one day, I am sure, you will clear up altogether, but to satisfy the public demand as fully as we possibly can. Now whether the murderer is Lupin or another; whether there are two criminals, or three, or only one: all this gives us neither the criminal's name nor his arrest. And the public continues under the disastrous impression that the law is powerless."
"What can I do?"
"Give the public the definite satisfaction which it demands."
"But it seems to me that this explanation ought to be enough. … "
"Words! The public wants deeds! One thing alone will satisfy it: an arrest."
"Hang it all! Hang it all! We can't arrest the first person that comes along!"
"Even that would be better than arresting nobody," said Valenglay, with a laugh. "Come, have a good look round! Are you sure of Edwards, Kesselbach's servant?"
"Absolutely sure. Besides … No, Monsieur le Président, it would be dangerous and ridiculous; and I am sure that Mr. Attorney-General himself … There are only two people whom we have the right to arrest: the murderer—I don't know who he is—and Arsène Lupin."
"Well?"
"There is no question of arresting Arsène Lupin, or, at least, it requires time, a whole series of measures, which I have not yet had the leisure to contrive, because I looked upon Lupin as settled down … or dead."
Valenglay stamped his foot with the impatience of a man who likes to see his wishes realized on the spot:
"And yet … and yet, my dear Lenormand, something must be done … if only for your own sake. You know as well as I do that you have powerful enemies … and that, if I were not there … In short, Lenormand, you can't be allowed to get out of it like this. What are you doing about the accomplices? There are others besides Lupin. There is Marco; and there's the rogue who impersonated Mr. Kesselbach in order to visit the cellars of the Crédit Lyonnais."
"Would you be satisfied if you got him, Monsieur le Président?"
"Would I be satisfied? Heavens alive, I should think I would!"
"Well, give me seven days."
"Seven days! Why, it's not a question of days, my dear Lenormand! It's a question of hours!"
"How many will you give me, Monsieur le Président?"
Valenglay took out his watch and chuckled:
"I will give you ten minutes, my dear Lenormand!"
The chief took out his, and emphasizing each syllable, said calmly:
"That is four minutes more than I want, Monsieur le Président."
Valenglay looked at him in amazement.
"Four minutes more than you want? What do you mean by that?"
"I mean, Monsieur le Président, that the ten minutes which you allow me are superfluous. I want six, and not one minute more."
"Oh, but look here, Lenormand … if you imagine that this is the time for joking … "
The chief detective went to the window and beckoned to two men who were walking round the courtyard.
Then
