In Belgium, no doubt, Lady Donaldson's diamonds, taken out of their settings, calmly repose at this moment, while the money derived from their sale is safely deposited in a Belgian bank." "But then, who murdered Lady Donaldson, and why ?" gasped Polly.
"Cannot you guess ?" he queried blandly.

"Have I not placed the case clearly enough before you?
To me it seems so simple.

It was a daring, brutal murder, remember.

Think of one who, not being the thief himself, would, nevertheless, have the strongest of all motives to shield the thief from the consequences of her own misdeed: aye! and the power too--since it would be absolutely illogical, nay, impossible, that he should be an accomplice." "Surely----" "Think of a curious nature, warped morally, as well as physically--do you know how those natures feel?
A thousand times more strongly than the even, straight natures in everyday life.

Then think of such a nature brought face to face with this awful problem.
"Do you think that such a nature would hesitate a moment before committing a crime to save the loved one from the consequences of that deed?
Mind you, I don't assert for a moment that David Graham had any _intention_ of murdering Lady Donaldson.