The Crime and Victim
This is the name of the victim aboard the Orient Express.
Answer: Who is Samuel Cassetti?
Poirot is known for solving crimes using this method, focusing on human behavior and psychology.
Answer: What is psychological analysis?
This character was the victim’s personal secretary, who is deeply troubled by the Armstrong case.
Answer: Who is MacQueen?
Poirot questions the time of death based on the state of this item found at the crime scene.
Answer: What is a watch?
Poirot offers this solution to the mystery, revealing that everyone on the train was involved.
Answer: What is a joint murder (all the passengers participated)?
The victim’s real identity was hidden under this name.
Answer: What is Ratchett?
Poirot initially suspects this character due to their nervous behavior.
Answer: Who is Antonio Foscarelli?
This character was a former governess for the Armstrong family.
Answer: Who is Hildegarde Schmidt?
The murder weapon is initially assumed to be this object, which was found in Mrs. Hubbard’s compartment.
Answer: What is a knife?
Poirot’s final decision is that the murder was committed as an act of this.
Answer: What is revenge?
The victim’s crime that connects him to the passengers is the kidnapping of this child.
Answer: Who is Daisy Armstrong?
This is the key piece of physical evidence that Poirot questions during the investigation.
Answer: What is the knife found in Mrs. Hubbard’s compartment?
This character is a doctor who previously worked as a nurse for Daisy Armstrong.
Answer: Who is Greta Ohlsson?
The “communicating door” between compartments plays a crucial role in solving this.
Answer: What is the murderer’s escape route?
In the end, Poirot presents this to M. Bouc regarding the passengers.
Answer: What is a choice between two possible solutions?
This is the time when the murder is believed to have occurred.
Answer: What is around midnight?
This character assists Poirot with medical expertise during the investigation.
Answer: Who is Dr. Constantine?
This character and Mary Debenham share a secret romantic relationship.
Answer: Who is Colonel Arbuthnot?
A button found at the crime scene is suggested to belong to this character, but it’s later cleared.
Answer: Who is the Wagon Lit conductor?
Poirot’s detailed investigation and careful observations lead him to conclude that this group of people acted together.
Answer: Who are the passengers on the train?
This character is the first to discover the body of the victim.
Answer: Who is M. Bouc?
Poirot concludes that the passengers were motivated by this tragic event in their past.
Answer: What is the Armstrong kidnapping?
This character insists they were asleep during the murder and seems shocked by the crime.
Answer: Who is Mrs. Hubbard?
The time when the train arrives at the station helps Poirot deduce that the killer could have done this.
Answer: What is escaped before the train stopped?
Poirot believes that the motive for the murder stems from the injustice done to this person.
Answer: Who is Daisy Armstrong?