Bude nodded.
“It would be about two minutes after I saw Mr. Greve the first time,” he agreed.
“Very well!”
The detective resumed his reading.
5.15 P.M. Miss Trevert goes to fetch Mr. Parrish in to tea. She finds the library door locked. Tries the handle and hears a shot.
5.18 (say) Miss Trevert comes into the lounge hall and gives the alarm.
“Now, sir,” said Mr. Manderton briskly, “I should like to ask you one or two further questions. Firstly, how long were you out on your stroll in the dark?”
“I should think about two or three minutes.”
“That is to say, if you left the house by the side door at 5.10, you were back in the house by 5.13.”
“Yes, that would be right,” Robin agreed.