The magistrate sat down at his desk and took up the notes he had made in the course of his official enquiry that day. He told Juve everything he had been able to elicit.

"The most amazing thing to me," he said in conclusion, "is the way the fellow, when he had once got out of Princess Sonia's room, contrived to get into the lift, shed his evening dress, get into livery, and make his first attempt to escape. When the hall porter stopped him he did not lose his head, but got into the lift again, sent that flying up to the top of the hotel with the clothes that would have betrayed him, calmly presented himself before Muller, the night watchman, and contrived to be told to go for the police, ran down the stairs again, and took advantage of the night watchman's telephoning to the hall porter to get the latter to open the door for him, and so marched off as easily as you please. A man who kept his nerve like that and could make such amazing use of every circumstance, who was so quick and daring, and who was capable of carrying through such a difficult comedy in the middle of the general uproar, richly deserves to be taken for Fantômas!"

Juve sat in deep consideration of the whole story.

"That isn't what interests me most," he said at last. "His escape from the hotel might have been effected by any clever thief. What I think more remarkable is the means he took to prevent the Princess from screaming when he was just leaving her rooms: that really was masterly. Instead of trying to get her as far away as possible and shut her up in her bedroom, to take her with him to the very door opening on to the corridor, where the faintest cry might have involved the worst possible consequences, and to be sure that the terror he had inspired would prevent her from uttering that cry, to be able to assume that the victim was so overwrought that she would make no effort at all and could do nothing—that is really very good indeed: quite admirable psychology! Fine work!"

"So you see there are some unusual features in the case," said M. Fuselier complacently: "this, for instance: why do you suppose the fellow stayed such a long time with the Princess and went through all that comedy business in the bathroom? Don't forget that she came in late, and it is extremely probable that he might have finished his job before she returned."

Juve passed his hand through his hair, a characteristic trick when his mind was working.

"I can imagine only one answer to that question, M. Fuselier. But you have inspected the scene of the crime: tell me first, where do you think the rascal was hidden?"

"Oh, I can answer that definitely. The Princess's suite of rooms ends in the bathroom, you know, and the chief things there are the famous bath, some cupboards, and a shower bath: the shower bath is one of those large model Norchers with lateral as well as vertical sprays, and a waterproof curtain hanging from rings at the top right down to the tub at the bottom. There were footmarks on the enamel of the tub, so it is clear that the thief hid there, behind the curtain, until the Princess got into her bath."

"And I suppose the shower bath is in the corner of the room near the window?" Juve went on. "And the window was partly open, or had been until the maid went in to prepare her mistress's bath? It's quite interesting! The man had just succeeded in stealing the necklace from Mme. Van den Rosen, whose rooms are next to Princess Sonia's: for some reason or other he had not been able to escape through the corridor, and so he naturally made up his mind to get into the Princess's suite, which he did by the simple process of stepping over the railing on the balcony and walking in through the open window of the dressing-room."

"And then Nadine came in, and he had to hide?"