The Inspector stared about him in bewilderment. “Oh, come now, Mr. Holmes,” said he at last, “I’m sure you don’t really mean to⁠—”

“Tut, man, look at their faces!” cried Holmes, curtly.

Never certainly have I seen a plainer confession of guilt upon human countenances. The older man seemed numbed and dazed with a heavy, sullen expression upon his strongly-marked face. The son, on the other hand, had dropped all that jaunty, dashing style which had characterized him, and the ferocity of a dangerous wild beast gleamed in his dark eyes and distorted his handsome features. The Inspector said nothing, but, stepping to the door, he blew his whistle. Two of his constables came at the call.