"Well, as we agreed at our first interview, Lady Branwin only arranged in five minutes to sleep at the Pink Shop, and it was merely by chance that she had the diamonds with her. That the murder was committed for the sake of the jewels is positive, since they are missing. Yet any outside person could not have known that the unfortunate woman was possessed of those jewels at that particular time. Madame Coralie knew--"

"Pardon me," interrupted Shawe. "In my own hearing she declared that she did not know what Lady Branwin had in the red bag."

Miss Toat shrugged her shoulders. "Naturally, for her own sake, she would say that, Mr. Shawe. But the fact remains that owing to the rapidity and unexpectedness of Lady Branwin's decision to sleep at the shop no outsider could have arranged beforehand to commit the crime for the sake of the jewels."

"But the key in the outside door of the court was--"

"That might all have been arranged as a false clue to throw the police off the scent."

"I doubt it," said Shawe, decisively, "and remember that your theory is entirely destroyed by the very strong alibi of Madame Coralie. The woman could not have been in two places at once."

"Well," said Perry Toat, cautiously, "I stated that I suspected Madame Coralie had strangled Lady Branwin, but I did not say that she had actually committed the deed herself."

"Oh! Then you think she employed someone else to commit the murder?"

"Yes, and for her own sake was careful to provide the alibi we know of. Lady Branwin came at five o'clock to the shop, and was murdered, according to the medical evidence, about eight. Madame Coralie had, therefore, ample time to tell her accomplice that Lady Branwin possessed the diamonds. Also, as Lady Branwin talked frequently of coming for treatment, and Madame always refused her, the evening when she agreed to give the treatment might have been arranged. Madame could also explain to her accomplice about the door in the outer wall of the court, and have arranged for the window of the bedroom to be open. Then--well, the rest is easy."

"But the woman declared that the window was shut."