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During the first portion of this walk I forced my mind to dwell on the astonishing fact that the Inspector whom I had regarded as holding me in suspicion was the one man most convinced of my innocence. He had certainly shown no leaning that way in the memorable interview we had held together. What had changed him? Or had I simply misunderstood his attitude, natural enough to an amateur who finds himself for the first time in his life subject to the machinations of the police.
As I had no means of answering this query, I gradually allowed the matter, great as it was, to slip from my mind, and another and more present interest to fill it.