“Why should anyone murder a man in so clumsy a fashion as by hanging him?”

“That is what we have to find out.”

“How could they get in?”

“Through the front door.”

“It was barred in the morning.”

“Then it was barred after them.”

“How do you know?”

“I saw their traces. Excuse me a moment, and I may be able to give you some further information about it.”