1. RAIN IN PICCADILLY
Chief Inspector Duff, of Scotland Yard, was walking down Piccadilly in the rain. Faint and far away, beyond St. James’s Park, he had just heard Big Ben on the Houses of Parliament strike the hour of ten. It was the night of February 6, 1930. One must keep in mind the clock and the calendar where chief inspectors are concerned, although in this case the items are relatively unimportant. They will never appear as evidence in court.
Though naturally of a serene and even temperament, Inspector Duff was at the moment in a rather restless mood. Only that morning a long and tedious case had come to an end as he sat in court and watched the judge, in his ominous black cap, sentence an insignificant, sullen-looking little man to the scaffold. Well, that was that, Duff had th
