"I thought Jeanjean was the thief," I said with a pretence of surprise.

Jonet lit a fresh cigarette, after offering me one. Then he said—

"It is on record here," and he tapped the damning portfolio that lay under his hand, "that in at least half a dozen cases the methods have been the same. The Nightingale—as the girl, whose real name is Lola Sorel, but who has a dozen aliases—is called by her friends, goes with her maid to one of the smartest hotels, say at Carlsbad, Nice, Aix, Trouville, or London, Berlin, anywhere, where there are usually wealthy women. She is a modest little person, and makes a long stay, keeping her blue eyes well open for any visitor possessed of valuable jewellery. Having fixed upon one, she carefully cultivates the lady's acquaintance, is extremely affable, and soon becomes on such intimate terms with her that she is admitted to her bedroom, and is then able to discover where the lady's jewels are kept—whether the case is sufficiently small to be portable, and if not, what kind of lock it has. Every detail she carefully notes and passes on to Jeanjean, who, when the coup is ready, appears from nowhere. He is too wary to stay in the same hotel."

"Then the girl has a maid with her!" I exclaimed.

"Invariably," was Jonet's reply. "But the methods by which the robberies are carried out are varied. In some cases the pretty Lola has simply seized an opportunity to transfer her 'friend's' jewel-case to her own room, whence it has been abstracted in her absence by Jeanjean. In other cases while she has been out with the owner of the jewels, motoring, or shopping, or at the theatre, Jeanjean, having had the tip from his niece, has slipped in and secured the valuables. Again this method has been varied by Lola stealing the best piece from the victim's room and in the night handing it to Jeanjean from her bedroom window, as was done at Cannes last winter, when the Princess Tynarowski lost her diamond collar after a brief acquaintance with the fascinating Lola. The latter remained in the hotel for nearly a fortnight following the theft and left still enjoying the greatest friendship of the unsuspecting victim."

"Then this girl must be very clever and daring," I exclaimed.

"Yes. She is the tool of that scoundrel Jeanjean," declared Jonet, closing the dossier. "Poor girl. Probably she acts entirely against her will. The brute has her in his power, as so many girls are in the power of unscrupulous men in the criminal under-world. They, in their innocence, commit one crime, perhaps unconsciously, and for years afterwards they are threatened with exposure to us; so, in order to purchase their liberty, they are forced to become thieves and adventuresses. Ah, yes, mon cher Vidal, that is a curious and tragic side of criminal life, one of which the world never dreams."

"Then you do not believe this girl is really a criminal from instinct?" I asked eagerly.

"No. She is under the all-compelling influence of Jeanjean, who will not hesitate to take a life if it suits him; the man who has set at naught every law of our civilized existence."

"Her position must be one full of terror," I said.