“Oh, no, indeed, sir. Nothing of that sort.”

“Who do you think killed Mr. Tracy, Griscom?”

Farrell shot this question so suddenly that I was not surprised to see the butler turn pale and grasp at the chair in front of him to steady himself.

“I—I don’t know, sir.”

“Of course you don’t know. I’m asking you what you think.”

“Well, what can I think, but Mr. Ames.”

“Mr. Ames! Why would he do such a thing?”

“Well, sir, it had to be somebody with motive. Mr. Ames had that, and likewise opportunity.”

“You’ve been reading detective stories. You’re very glib with your ‘motive and opportunity’! How could Mr. Ames get in?”

“He carries a latchkey, sir.”