“Was his chin at all shiny?” I asked on a sudden impulse.

Mrs. James stared at me with awe.

“Well, now you come to mention it, miss, it was . However did you know?”

“It’s a curious thing, but murderers often have shiny chins,” I explained wildly.

Mrs. James accepted the statement in all good faith.

“Really, now, miss. I never heard that before.”

“You didn’t notice what kind of a head he had, I suppose?”

“Just the ordinary kind, miss. I’ll fetch you the keys, shall I?”