extremely unlikely contingency of Mrs. Manderson remaining awake, and so putting out of the question my escape by way of her window, I had planned simply to remain where I was a few hours, and then, not speaking to her, to leave the house quickly and quietly by the ordinary way. Martin would have been in bed by that time. I might have been heard to leave, but not seen. I should have done just as I had planned with the body, and then made the best time I could in the car to Southampton. The difference would have been that I couldn't have furnished an unquestionable alibi by turning up at the hotel at 6.30. I should have made the best of it by driving straight to the docks, and making my ostentatious enquiries there. I could in any case have got there long before the boat left at noon. I couldn't see that anybody could suspect me of the supposed murder in any case; but if any one had, and if I hadn't arrived until ten o'clock, say, I shouldn't have been able to answer, "It is impossible for me to have got to Southampton so soon after shooting him." I should simply have had to say I was delayed by a breakdown after leaving
