The old chap is as close as wax.

He seems to think that a Hume-Frazer must die a violent death outside that library window, and if the cause of the trouble is another Hume-Frazer, it is their own blooming business, and no other person's.

Most extraordinary old chap.

Have you met him ?" "No.

Indeed, I am only just beginning to hear the correct details of the story." Hume winced, but passed no remark.
"Well, my information came through an anonymous letter." "You don't say so! How interesting! Have you got it ?" "I brought it with me, for a reason other than that which actuates me now, I must confess." He produced a small envelope, frayed at the edges, and closely compressed.
It bore the type-written address, "Police Office, Scotland Yard," and the postal stamp was "West Strand, January 18, 9 p.m." Within, a small slip of paper, also typed, gave this message:-- "About Stowmarket.