Leslie. You shall hear. A week ago to-night, I was passing through this very room without a candle on my way to bed, when . . . what should I see, but a masked man fumbling at that window! How he did the Lord knows. I suspect, Procurator, it was not the first he’d tried . . . for he opened it as handily as his own front door.

Lawson. Preserve me! Another of thae robberies!

Leslie. That’s it. And, of course, I tried to seize him. But the rascal was too quick. He was down and away in an instant. You never saw a thing so daring and adroit.

Lawson. Is that a’? Ye’re a bauld lad, I’ll say that for ye. I’m glad it wasna waur.

Leslie. Yes, that’s all plain sailing. But here’s the hitch. Why didn’t I tell the Procurator-Fiscal? You never thought of that.

Lawson. No, man. Why?

Leslie. Aha! There’s the riddle. Will you guess? No? . . . I thought I knew the man.

Lawson. What d’ye say?

Leslie. I thought I knew him.

Lawson. Wha was’t?