"We cannot be sure. He knew young Bleibner too, remember, and may have suspected something, or, again, the doctor may have thought that a further death motiveless and purposeless would strengthen the coils of superstition. Furthermore, I will tell you an interesting psychological fact, Hastings. A murderer has always a strong desire to repeat his successful crime, the performance of it grows upon him. Hence my fears for young Willard. The figure of Anubis you saw to-night was Hassan, dressed up by my orders. I wanted to see if I could frighten the doctor. But it would take more than the supernatural to frighten him. I could see that he was not entirely taken in by my pretences of belief in the occult. The little comedy I played for him did not deceive him. I suspected that he would endeavour to make me the next victim. Ah, but in spite of la mer maudite, the heat abominable, and the annoyances of the sand, the little grey cells still functioned!"
Poirot proved to be perfectly right in his premises. Young Bleibner, some years ago, in a fit of drunken merriment, had made a jocular will, leaving "my cigarette case you admire so much and everything else of which I die
