Anna Katherine Green. The Case Of Leavenworth (№ 321370)

Sometimes murders are committed over nothing.
But not in this case. It was too well thought out to hand the killer could have focused anything but a precise calculation, the strongest born of necessity or greed.
- Greed?
- It is impossible to speculate on the reasons for the death of a rich man without taking into account this among the most common malformation of the human race.