That afternoon Inspector Jenkins answered Lenox’s note by visiting in person. Lenox was sitting in the long, book-filled room he used as library and study. Just down the front hall of the house, it had comfortable sofas and armchairs and a long desk, as well as a broad, high row of windows that looked out over Hampden Lane. The rain of the evening before had gone but left in its place a low, rolling fog that thickened over the streets of London. Lamplighters were out early, trying to provide the city with visibility.

Jenkins was young and clever. He wore glasses on his earnest face and had an unruly crop of light brown hair.

“How do you do, Lenox?” he asked and accepted a cup of tea. “Exeter’s not letting me near the case, so I thought I’d come by.”

“I know how he can be.”

“Oh, of course, of course.”

Inspector Exeter, a powerful man in the police force whose blunt tactics and lack of perception had both alienated him from the amateur detective and pushed him up through the ranks, was famously territorial about his cases and particularly disliked Lenox’s occasional interference. Despite that, Exeter had had occasion to call on Lenox’s skills and might not entirely reject his help if the case of the two journalists reached an impasse.