"What is still more certain," resumed our host, "is that no other criminal in the world would have crowned so delicious a conception with so perfect an achievement. I feel sure the inspector will agree with us."
The policeman in command had knocked and been admitted to the library as Lord Thornaby spoke.
"I didn't hear what you said, my lord."
"Merely that the perpetrator of this amusing outrage can be no other than the swell mobsman who relieved Lady Melrose of her necklace and poor Danby of half his stock a year or two ago."
"I believe your lordship has hit the nail on the head."
"The man who took the Thimblely diamonds and returned them to Lord Thimblely, you know."
"Perhaps he'll treat your lordship the same."
"Not he! I don't mean to cry over my spilt milk. I only wish the fellow joy of all he had time to take. Anything fresh upstairs by the way?"
"Yes, my lord: the robbery took place between a quarter past eight and the half-hour."
"How on earth do you know?"