The Confession of Edward Masterman
Murder on the Orient ExpressEdward Masterman, the valet, was Colonel Armstrong's batman and valet, and his quiet loyalty to the family leads him to participate in the murder.
increasing
Bearing strength in each event
decreasing
The Valet's Past

The Valet's Past
The Batman
Edward Masterman served as Colonel Armstrong's batman during the war. After the war, he became his valet in New York. He was devoted to the Colonel and the family.
The Tragedy
After the Armstrong tragedy, Masterman was left without a position. He was deeply affected by the deaths. When he learned that Cassetti was alive, he agreed to join the conspiracy.
The Disguise
Masterman took a job with Ratchett to get close to him. He served as his valet, preparing his sleeping draught and observing his habits. His role was to ensure Ratchett was drugged on the night of the murder.
The Night of the Murder

The Night of the Murder
The Preparation
Masterman prepared the sleeping draught and placed it in Ratchett's compartment. He then returned to his own compartment and pretended to have toothache, which allowed him to stay awake and wait for his turn.
The Execution
He entered Ratchett's compartment through Mrs. Hubbard's and stabbed the victim. He was one of the twelve. He then returned to his compartment and continued his act.
The Alibi
He provided an alibi for Antonio Foscarelli, and Foscarelli provided one for him. This pair of alibis was designed to protect them both. Masterman's calm demeanor helped him avoid suspicion.
The Valet's Confession

The Valet's Confession
The Unburdening
Masterman comes to Poirot voluntarily and confesses his true identity. He says he is Colonel Armstrong's former batman. He also defends Tonio, saying he is innocent.
The Reluctant Murderer
Masterman is not a violent man, but he felt compelled to act. He expresses his regret that he had to be a part of the murder, but he believes it was necessary. His quiet dignity is striking.
The Acceptance
He is prepared to face the consequences, but he is relieved when Poirot offers the first solution. He returns to his duties, his secret hidden but his conscience clear.
Revealed during the second interview
During the night of the murder
After the conspirators are revealed