the lock of the despatch-case in Mrs. Inglethorp’s bedroom had been forced. You stood by the mantelpiece, twiddling the things on it in your usual fashion, and your hand shook like a leaf! I must say–-”
But I stopped suddenly. For Poirot, uttering a hoarse and inarticulate cry, again annihilated his masterpiece of cards, and putting his hands over his eyes swayed backwards and forwards, apparently suffering the keenest agony.
“Good heavens, Poirot!” I cried. “What is the matter? Are you taken ill?”
The two detectives fidgeted. I saw the official caution “Anything you say will be used in evidence against you,” actually hovering on Summerhaye’s lips. Poirot went on.
“Do you understand now, monsieur?”
“No; What do you mean?”
“I mean,” said Poirot deliberately, “that you are suspected of poisoning your wife.”