they found your mistress busy writing letters. I suppose you can give me no idea to whom these letters were addressed?”
“I’m afraid I couldn’t, sir. I was out in the evening. Perhaps Annie could tell you, though she’s a careless girl. Never cleared the coffee-cups away last night. That’s what happens when I’m not here to look after things.”
Poirot lifted his hand.
“Since they have been left, Dorcas, leave them a little longer, I pray you. I should like to examine them.”
“Very well, sir.”
“What time did you go out last evening?”
We all trooped out into the corridor, leaving the two doctors alone, and I heard the key turned in the lock behind us.
We went slowly down the stairs. I was violently excited. I have a certain talent for deduction, and Dr. Bauerstein’s manner had started a flock of wild surmises in my mind. Mary Cavendish laid her hand upon my arm.