"You know that the murder must have been committed at half-past eleven?" said Jack.

"So the newspapers tell me."

"Where did you go in San Remo?" asked the detective.

"I went to a café and had a glass of wine, then I strolled about the town and lunched at the Victoria. I caught the one o'clock train to Monte Carlo."

"Did you hear nothing of the murder?"

"Not a word," said Mr. Briggerland, "not a word."

"Did you see the car?"

Mr. Briggerland shook his head.

"I left some time before poor Lydia," he said softly.

"Did you know of any attachment between the chauffeur and your guest?"