"I can't understand about that valise and knife," mused Benjamin Hooker. "If you left the knife in the outer office, how did it get inside?"
"That I cannot answer, sir. Perhaps somebody saw it outside and carried it in."
"There was nobody in the office yesterday except Henry Bott and myself."
"Well, I cannot explain it. But, as I said before, I am innocent."
CHAPTER XX.
OUT ON BAIL.
"Did you get a look at the faces of the men and the boy you say you saw?" asked the postmaster, after a pause.
"No, sir. I saw them, but it was too dark to distinguish faces."