"You only imagine so; no one would dare enter that room without my permission."
"You are sure?"
"I am."
"Just ask anyone to step forth who may be in that room."
Mr. Townsend had become very nervous; the detective's manner was so strange and peculiar.
"What do you mean, sir? I tell you there is no one in that room."
"I tell you, sir, I heard a footstep in that room."
"You only imagine so."
"I know I did."
"Very well, we will see," and Mr. Townsend called out: