"Who did it?"
"I'm not sure that I know."
"Who do you think?"
"I don't know that I am at liberty to tell you that."
"The landlord says he let a fellow named Chamberlain come up here while Bissell was out, and that he was still waiting for him when he returned. Was that the man?"
"It's possible."
"Don't you know he was the fellow?"
"How the deuce can I be certain about it? I never saw Chamberlain enter the room."
"But didn't you see him come out of it?"
"No, I did not."