A QUARTER of an hour later he was standing in the presence of his superior.

“Good evening, Freyberger,” said the chief.

“Good evening, sir.”

“There is an express to Birmingham from Paddington at a quarter past midnight.”

“Yes, sir.”

“I want you to catch it.”

“Yes, sir.”

“The train stops at Reading.”

“So I believe, sir.”

“You must get out at Reading and spend the night there. I want you early on the spot to-morrow morning. A murder has been committed.”