Chapter Nineteen I Use My Grey Cells
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I WAS DUMBFOUNDED. Up to the last, I had not been able to bring myself to believe Jack Renauld guilty. I had expected a ringing proclamation of his innocence when Poirot challenged him. But now, watching him as he stood, white and limp against the wall, and hearing the damning admission fall from his lips, I doubted no longer.
But Poirot had turned to Giraud.
“What are your grounds for arresting him?”
“Do you expect me to give them to you?”
“As a matter of courtesy, yes.”
Giraud looked at him doubtfully. He was torn between a desire to refuse rudely and the pleasure of triumphing over his adversary.
“You think I have made a mistake, I suppose?” he sneered.
“It would not surprise me,” replied Poirot, with a soupçon of malice.
Giraud’s
