one occasion. Hence my nickname of Arsène Lupin. It was soon after the death of the man himself, you know, and he was much spoken of at the time."
"Was it a serious theft?"
"It was rather; and it happened to be committed upon Cosmo Mornington, who was then living in the Province of Oran. That was really what started our relations."
There was a fresh silence; and Don Luis added:
"Poor Cosmo! That incident gave him an unshakable confidence in my little detective talents. He was always saying, 'Perenna, if I die murdered'—he had a fixed notion in his head that he would meet with a violent death—'if I die murdered, swear that you will pursue the culprit.'"
"His presentiment was not justified," said the Prefect of Police. "Cosmo Mornington was not murdered."
"That's where you make a mistake, Monsieur le Préfet," said Don Luis.
M. Desmalions gave a start.
"What! What's that? Cosmo Mornington?"
"I say that Cosmo Mornington did not die, as you think, of a carelessly administered injection, but that he died, as he feared he would, by foul play."
"But, Monsieur, your assertion is based on no evidence whatever!"
"It is based on fact, Monsieur le Préfet."
"Were you there? Do you know anything?"
"I was not there. A month ago I was still with the colours. I even admit that, when I arrived in Paris, not having seen the newspapers regularly, I did not know of Cosmo's death. In fact, I learned it from you just now, Monsieur le Préfet."
