"It explains, too," said Poirot, "why Major Blunt thought it was you who were in the study. Such scraps as came to him were fragments of dictation, and so his subconscious mind deduced that you were with him. His conscious mind was occupied with something quite different—the white figure he had caught a glimpse of. He fancied it was Miss Ackroyd. Really, of course, it was Ursula Bourne's white apron he saw as she was stealing down to the summer-house."
Raymond had recovered from his first surprise.
“All the same," he remarked, "this discovery of yours, brilliant though it is (I'm quite sure I should never have thought of it), leaves the essential position unchanged. Mr. Ackroyd was alive at nine-thirty, since he was speaking into the dictaphone. It seems clear that the man Charles Kent was really off the premises by then. As to Ralph Paton?"
He hesitated, glancing at Ursula.
Her color flared up, but she answered steadily enough.
"Ralph and I parted just before a quarter to ten. He never went near the house, I am sure of that. He had no intention of doing so. The last thing on earth he wanted was to face his stepfather. He would have funked it badly."
“It isn't that I doubt your story for a moment," explained Raymond. "I've always been quite sure Captain Paton was innocent. But one has to think of a court of law—and the questions that would be asked. He is in a most unfortunate position, but if he were to come forward———"
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