"The doctor, Mr. Mannering, wished him to do so. He desired to have a companion."
"Have you anything further that you would care to tell us?"
"Only this, that I think Mr. Hardcastle, with whom I had a long conversation on his arrival, gave it as his opinion that it was not in the Grey Room we must look for an explanation. I believe he regarded his visit to the room itself as a comparatively unimportant part of the case. He was really more interested in the life of my son-in-law and his relations with other people. I think he regarded May's death as a matter which had been determined outside the Grey Room. But, if I may presume to advise you, this view of his is surely proved mistaken in the light of his own destruction and what has happened since. It is certain now that the cause of danger lies actually in the room itself, and equally certain that what killed my son-in-law also killed Mr. Hardcastle and, last night, killed the Reverend Septimus May."
"On the fact of it, yes," admitted Frith. "I think, after we have considered the situation now developed and visited the Grey Room, we shall agree that there, at any rate, we may begin the work that has brought us. You understand we rule out the possibility of any supernatural event, as Hardcastle, of course, did. While he very properly centred on the history of Captain May, and, from his point of view, did not expect to find the accident of the captain's death in this particular place would prove important, we shall now as-
