“Why⁠—I believe⁠—I’m almost sure that is a curio given to Mr. Ackroyd by Major Blunt. It comes from Morocco⁠—no, Tunis. So the crime was committed with that? What an extraordinary thing. It seems almost impossible, and yet there could hardly be two daggers the same. May I fetch Major Blunt?”

Without waiting for an answer, he hurried off.

“Nice young fellow that,” said the inspector. “Something honest and ingenuous about him.”

I agreed. In the two years that Geoffrey Raymond has been secretary to Ackroyd, I have never seen him ruffled or out of temper. And he has been, I know, a most efficient secretary.

In a minute or two Raymond returned, accompanied by Blunt.