Who Did What in Every Agatha Christie Murder Novel All of the author’s deadly plots, plotted. (Spoilers if you look closely.)
In Agatha Christie’s novels, murder and financial fraud are often intertwined. The murderers are more likely to be men, are partial to poison, and frequently commit the crime as part of a scam such as winning an inheritance.
From: https://www.bloomberg.com/news/features/2020-07-02/who-did-what-in-every-agatha-christie-murder-mystery-novel Who Did What in Every Agatha Christie Murder Mystery Novel – Bloomberg