There was no proof at all that “Tim” who had been murdered in Regent’s Park was identical with Timothy O’Farrel whose identity disc had been found in a bombed shelter in South London—but there was a possibility that the two were identical. In any case, it seemed obvious that “Tim” had taken an opportunity of changing his identity by using another man’s Registration Card, and no man goes to the trouble of changing his name and concealing his original identity without a very good reason for doing so. It was getting on for mid-day when Macdonald arrived back at Belfort Grove. He had guessed—rightly—that the inhabitants of that house would not be early risers, and his mid-day visit was judiciously timed to catch those he wished to interview before they went out to lunch and the business of th

