# The Red Thumbmark — Chapters explained

> Chapter companions for The Red Thumbmark by R. Austin Freeman.

- [The Red Thumbmark](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/the-red-thumbmark.md): Dr. Jervis reunites with his old friend Dr. Thorndyke and is introduced to the case of Reuben Hornby, who is accused of theft based on a thumbprint found at the scene. Thorndyke begins his meticulous examination of the t
- [My Learned Brother](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/i-my-learned-brother.md): Dr. Christopher Jervis, a struggling medical practitioner, unexpectedly reunites with his old friend Dr. John Evelyn Thorndyke in the Inner Temple. Thorndyke, now a barrister and lecturer in medical jurisprudence, invite
- [II: The Suspect](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/ii-the-suspect.md): Mr. Lawley presents the case against Reuben Hornby to Thorndyke and Jervis, detailing how a thumbprint found in the safe was identified as Reuben's via a Thumbograph. Reuben vehemently protests his innocence, and Thorndy
- [III: A Lady in the Case](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/iii-a-lady-in-the-case.md): Thorndyke instructs Jervis in the proper approach to fingerprint evidence, emphasizing that a fingerprint is merely a fact to be weighed, not a magical proof. He assigns Jervis four notebooks to collect data on Reuben, W
- [IV: Confidences](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/iv-confidences.md): Jervis visits Mrs. Hornby and Juliet Gibson to request the Thumbograph for Thorndyke's examination. Mrs. Hornby expresses her distress over Reuben's arrest and her distrust of the police. Jervis and Juliet arrange to bri
- [V: The “Thumbograph”](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/v-the-thumbograph.md): Jervis reports to Thorndyke on his conversation with Miss Gibson, providing insights into Reuben Hornby's character and Walter Hornby's photography skills. Thorndyke praises Jervis's discretion and discusses the adversar
- [Committed for Trial](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/vi-committed-for-trial.md): Jervis reflects on his growing feelings for Juliet Gibson and resolves to maintain a strictly professional relationship due to his loyalty to Reuben Hornby. Thorndyke playfully observes Jervis's distraction. Walter Hornb
- [Shoals and Quicksands](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/vii-shoals-and-quicksands.md): Jervis visits Juliet Gibson to inform her that Reuben has been committed for trial and is now held in Holloway prison. He comforts her, reassures her of Thorndyke's belief in Reuben's innocence, and agrees to accompany h
- [A Suspicious Accident](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/viii-a-suspicious-accident.md): Thorndyke and Jervis discuss the evidential value of fingerprints and the various hypotheses in the Hornby case. Jervis presents his theory that John Hornby, facing financial difficulties from mining investments, may be 
- [IX: The Prisoner](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/ix-the-prisoner.md): Jervis visits Reuben Hornby in Holloway Prison, accompanied by Juliet Gibson despite his warnings about the degrading conditions. The chapter describes the grim prison visiting arrangements, Jervis's interview with Reube
- [X: Polton Is Mystified](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/x-polton-is-mystified.md): Jervis returns from a visit with Juliet Gibson, who reveals that she cut her finger in Mr. Hornby's study on the day of the diamond robbery, and that Reuben Hornby helped bandage it, leaving bloody fingerprints on papers
- [The Ambush](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xi-the-ambush.md): Thorndyke and Jervis return from a routine suicide case, discussing the cleverness of an unknown assailant who attempted murder with an air-cane. On their walk home, a shot is fired at them from a window, but Thorndyke s
- [XII: It Might Have Been](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xii-it-might-have-been.md): Jervis struggles with his growing feelings for Juliet Gibson while maintaining his professional duty to Reuben Hornby. After a visit from Mr. Anstey, who expresses confidence in Reuben's acquittal, Jervis comforts Juliet
- [XIII: Murder by Post](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xiii-murder-by-post.md): Thorndyke and Jervis examine a poisoned cigar sent to Thorndyke, analyzing the clues it provides about the sender's identity and motives. Thorndyke deduces that the sender is likely a person he alone suspects of a crime,
- [A Startling Discovery](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xiv-a-startling-discovery.md): Jervis discovers a startling coincidence: the typewriter used to write Mrs. Hornby's evidence about the Thumbograph bears the same distinctive broken 'e' as the Blickensderfer owned by Walter Hornby, leading him to suspe
- [XV: The Fingerprint Experts](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xv-the-fingerprint-experts.md): The trial of Reuben Hornby begins. The court is sworn in, and Sir Hector Trumpler presents the prosecution's case, calling John Hornby as the first witness. John Hornby testifies about the delivery of diamonds, their pla
- [XVI: Thorndyke Plays His Card](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xvi-thorndyke-plays-his-card.md): In the climactic trial scene, Thorndyke reveals his forensic evidence demonstrating that the incriminating thumbprint is a forgery. He explains how he created forged prints to test the experts, who were consistently wron
- [At Last](https://www.betterreads.online/discover/the_red_thumbmark_se/chapters/xvii-at-last.md): After Reuben Hornby's acquittal, the group gathers outside the court. Thorndyke invites everyone to a quiet luncheon, and Jervis is asked to escort Juliet. During their walk, Jervis confesses his love for Juliet, reveali

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