Poirot turned away. Over his shoulder he said with a peculiar smile:
"Remember, he got one of his victims in New York."
"Oh, hell!" said Mr. Harper forcibly.
"That young man is nervous," said Poirot thoughtfully. "He is on the edge, but absolutely on the edge."
I glanced at Poirot curiously, but his enigmatical smile told me nothing. In company with Sir Guy Willard and Dr. Tosswill we were taken round the excavations. The principal finds had been removed to Cairo, but some of the tomb furniture was extremely interesting. The enthusiasm of the young baronet was obvious, but I fancied that I detected a shade of nervousness in his manner as though he could not quite escape from the feeling of menace in the air. As we entered the tent which had been assigned to us, for a wash before joining the evening meal, a tall dark figure in white robes stood aside to let us pass with a graceful gesture and a murmured greeting in Arabic. Poirot stopped.
"You are Hassan, the late Sir John Willard's servant?"
"I served my Lord Sir John, now I serve his
