Her Deadly Plots, Plotted by Bloomberg Businessweek

MAJOR SPOILER ALERT for every single one of Agatha Christie's 58 murder mystery novels. The man did it, the young person did it, the family member did it. They did it with poison and they did it for inheritance. Acquaintances kill for revenge, strangers kill to protect their own identity, co-workers use guns and the middle-aged are the most likely to strike you down with an object. Or at least that seems to be the... statistical takeaway. But find and trace any novel's murderer through their characteristics, methods and motives. Why spend time reading a book?