Flat 2 by Edgar Wallace — Read

It was the next morning that Dr. Warden called at Flat 2 to have a word with Trainor. He was anxious to know if Miller had repeated to the detective his theory regarding Hurley Brown, and what significance Trainor put on it. He had every faith in Brown himself, but he knew that his action in trailing the man called Charlie looked peculiar in face of his refusal to explain his motives, or even admit to his subordinate that he had done so.

The doctor found Trainor just on the point of going up to da Costa's flat.