The ABC Murders Explained: Killer, Clues, and Ending

The ABC Murders Explained: Killer, Clues, and Ending

The ABC Murders Explained: The Clues Behind Poirot's Most Deceptive Case Spoiler Warning : This article explains the major murders, the clues, the identity of the real killer, and the ending of Agatha Christie's The ABC Murders . Agatha Christie's The ABC Murders  looks, on the surface, like a straightforward serial-killer story. A mysterious figure signing letters "ABC" writes to detective Hercule Poirot, taunting him with the details of a murder before it happens — and then follows through, town by town, moving through the alphabet one victim at a time. Each crime scene leaves behind the same eerie calling card: a copy of the ABC Railway Guide. As the case unfolds, all the evidence starts pointing toward one man, Alexander Bonaparte Cust, a quiet, unwell traveling salesman who seems to have been present near every murder. But Poirot isn't convinced, and the deeper he digs, the less the case makes sense as a simple serial killing. This article walks through the mu…