"You saw no one else at any time except the man who came into the outer office?"
"No one else."
"And him you do not know?"
"No."
"If I should tell you it was I?"
He looked at me, puzzled and doubtful. "Was it you?"
"Wouldn't you know? Didn't you see the man's face?"
He hesitated. "N-no."
"Then how did you know it wasn't Barker?"
"Why,--it wasn't."