The Dictaphone and the False Time

The Murder of Roger Ackroyd

This flow follows the Dictaphone from a concealed purchase to the recorded voice that falsifies the apparent time of death.

increasing

Bearing strength in each event

decreasing

A Secret Purchase A Secret Purchase from "The Murder of Roger Ackroyd". A Secret Purchase An undisclosed device A representative visits Fernly about a Dictaphone.

A Secret Purchase from "The Murder of Roger Ackroyd". A Secret Purchase An undisclosed device A representative visits Fernly about a Dictaphone.

A Secret Purchase An undisclosed device A representative visits Fernly about a Dictaphone. Ackroyd buys the device but does not tell Geoffrey Raymond, likely intending to surprise his secretary. A tool enters the plot Sheppard has mechanical knowledge and access to the machine. Its purchase gives the murderer a way to make Ackroyd appear alive after his death.

Words Heard at Half Past Nine

Words Heard at Half Past Nine A business phrase Raymond hears Ackroyd say that calls on his purse have been frequent and that he cannot grant a request. Blunt also hears a voice from the terrace. An assumed conversation Both men believe Ackroyd is speaking to someone in the study. The formal wording is a clue that the speech may be dictation rather than dialogue.

A Recording Replays A Recording Replays from "The Murder of Roger Ackroyd". A Recording Replays A voice without a speaker The Dictaphone repeats Ackroyd’s recorded dictation at half-past nine.

A Recording Replays from "The Murder of Roger Ackroyd". A Recording Replays A voice without a speaker The Dictaphone repeats Ackroyd’s recorded dictation at half-past nine.

A Recording Replays A voice without a speaker The Dictaphone repeats Ackroyd’s recorded dictation at half-past nine. The sound convinces witnesses that he is alive, although he has already been killed. The timeline shifts Once Poirot learns about the purchase, the later voice ceases to establish a living visitor. The murder may have occurred before the time everyone accepted.

The Machine Disappears The Machine Disappears from "The Murder of Roger Ackroyd". The Machine Disappears A concealed object removed The study armchair hides the Dictaphone from anyone entering through the door.

The Machine Disappears from "The Murder of Roger Ackroyd". The Machine Disappears A concealed object removed The study armchair hides the Dictaphone from anyone entering through the door.

The Machine Disappears A concealed object removed The study armchair hides the Dictaphone from anyone entering through the door. When Sheppard gets a brief opportunity beside the body, he puts the machine in his bag. The missing explanation No device is found among Ackroyd’s effects, leaving the recorded voice unexplained until Poirot notices the chair and the timed opportunity to remove it.

The Recording’s Meaning The Recording’s Meaning from "The Murder of Roger Ackroyd". The Recording’s Meaning A false alibi dismantled Poirot explains that the sound at half-past nine came from the machine, not Ackroyd.

The Recording’s Meaning from "The Murder of Roger Ackroyd". The Recording’s Meaning A false alibi dismantled Poirot explains that the sound at half-past nine came from the machine, not Ackroyd.

The Recording’s Meaning A false alibi dismantled Poirot explains that the sound at half-past nine came from the machine, not Ackroyd. The apparent period of safety for Ralph and others was manufactured. The murderer identified The person who knew of the purchase, could manipulate the mechanism, and removed it was Sheppard. The Dictaphone turns a small purchase into the key to the timeline.

Wednesday before the murder

Friday night, around nine thirty

After Ackroyd’s death, at the scheduled time

Friday night, while the body is being discovered

During Poirot’s final explanation