I suppose I must have meant to murder him all along. As soon as I heard of Mrs. Ferrars’s death, I felt convinced that she would have told him everything before she died. When I met him and he seemed so agitated, I thought that perhaps he knew the truth, but that he couldn’t bring himself to believe it, and was going to give me the chance of refuting it.

So I went home and took my precautions. If the trouble were after all only something to do with Ralph⁠—well, no harm would have been done. The dictaphone he had given me two days ago to adjust. Something had gone a little wrong with it, and I persuaded him to let me have a go at it, instead of sending it back. I did what I wanted to, and took it up with me in my bag that evening.

I am rather pleased with myself as a writer. What could be neater, for instance, than the following: