"What! If he's arrested, it means trial for murder, a verdict of guilty, and the scaffold."

"No!"

"And why not?"

"Because Lupin has not committed murder."

"Eh? Why, you're mad, Lenormand! The corpses at the Palace Hotel are so many inventions, I suppose! And the three murders were never committed!"

"Yes, but not by Lupin."

The chief spoke these words very steadily, with impressive calmness and conviction. The attorney and the prefect protested.

"I presume, Lenormand," said Valenglay, "that you do not put forward that theory without serious reasons?"

"It is not a theory."

"What proof have you?"