"That day the floor was being put down in the room adjoining the small office. Later, when Mr. Caldwaller-Cory returned, his mind was so filled with the intricacies of the new case which had just been given to him, that he did not even notice that the brown packet containing the Pensinger papers was gone; in fact, he had forgotten that it ever existed; but a week later, when he received word that his friend, Mr. Pensinger, had died suddenly, he recalled the papers and began to search for them, but they were never found."