Don Luis entered. In the room were the public prosecutor, the examining magistrate, the chief detective, the local commissary of police, two inspectors, and three constables in uniform.
Outside, on the Boulevard Suchet, shouts were raised; and, when the commissary and his three policemen went out, by the Prefect's orders, to listen to the crowd, the hoarse voice of a newsboy was heard shouting:
"The double murder on the Boulevard Suchet! Full particulars of the death of Inspector Vérot! The police at a loss!—"
Then, when the door was closed, all was silent.
"Mazeroux was quite right," thought Don Luis. "It's I or the other one: that's clear. Unless the words that will be spoken and the facts that will come to light in the course of this examination supply me with some clue that will enable me to give them the name of that mysterious X, they'll surrender me this evening for the people to batten on. Attention, Lupin, old chap, the great game is about to commence!"
He felt that thrill of delight which always ran through him at the approach of the great struggles. This one, indeed, might be numbered among the most terrible that he had yet sustained.
He knew the Prefect's reputation, his experience, his tenacity, and the keen pleasure which he took in conducting important inquiries and in personally pushing them to a conclusion before placing them in the magistrate's hands; and he also knew all the professional qualities of the chief detective, and all the subtlety, all the penetrating logic possessed by the examining magistrate.
The Prefect of Police himself directed the attack. He did so in a straightforward fashion, without beating about the bush, and in a rather harsh voice, which had lost its former tone of sympathy for Don Luis. His attitude also was more formal and lacked that geniality which had struck Don Luis on the previous day.
"Monsieur," he said, "circumstances having brought about that, as the residuary legatee and representative of Mr. Cosmo Mornington, you spent the night on this ground floor while a double murder was being committed here, we wish to receive your detailed evidence as to the different incidents that occurred last night."
"In other words, Monsieur le Préfet," said Perenna, replying directly to the attack, "in other words, circumstances having brought about that you authorized me to spend the night here, you would like to know if my evidence corresponds at all points with that of Sergeant Mazeroux?"