Mr. Gryce

Amelia Butterworth

Amelia and Mr. Gryce are investigative allies, with Amelia often assisting Gryce in solving mysteries through her keen observations.

Mrs. Howard Van Burnam

Mr. Gryce questions and investigates Mrs. Howard Van Burnam as a key figure in the murder case.

Franklin Van Burnam

Franklin Van Burnam is a suspect interviewed by Mr. Gryce during the murder investigation.

Louise Van Burnam

Louise Van Burnam is interviewed by Mr. Gryce as a witness and potential suspect in the murder case.

Coroner Dahl

Coroner Dahl and Mr. Gryce collaborate as law enforcement officials working on the same murder investigation.

Altman

Altman is a police officer or assistant who works under Mr. Gryce's direction in the investigation.

Amelia Butterworth

Amelia and Mr. Gryce are investigative allies, with Amelia often assisting Gryce in solving mysteries through her keen observations.

Louise Van Burnam

Louise Van Burnam is interviewed by Mr. Gryce as a witness and potential suspect in the murder case.

Franklin Van Burnam

Franklin Van Burnam is a suspect interviewed by Mr. Gryce during the murder investigation.

Mrs. Howard Van Burnam

Mr. Gryce questions and investigates Mrs. Howard Van Burnam as a key figure in the murder case.

Coroner Dahl

Coroner Dahl and Mr. Gryce collaborate as law enforcement officials working on the same murder investigation.

Altman

Altman is a police officer or assistant who works under Mr. Gryce's direction in the investigation.

Book I: Miss Butterworth’s Window

The detective investigating the case, who interacts with Miss Butterworth.

A Discovery

The policeman at the scene; he is stoic, follows procedure, and waits for the coroner.

Questions

Detective who questions Amelia and the scrub-woman; noted for his experience and calm demeanor.

III: Amelia Discovers Herself

Observes Amelia with a mix of admiration and wariness, handing over evidence and noting her interference.

V: “This Is No One I Know.”

Detective who escorts Howard to the undertaker's and subtly probes his reactions.

New Facts

Delivers the news of murder and reveals the unusual method of killing; observes Howard's reactions closely.

VII: Mr. Gryce Discovers Miss Amelia

Admits Amelia into the house, shares that a wound on the victim was not self-inflicted, and asks her to observe a gentleman at midnight.

VIII: The Misses van Burnam

Detective; calls early, receives Amelia's report that the night visitor did not match the man she saw, remains inscrutable.

IX: Developments

Visits Amelia early in the morning to ask about the previous night's visitor; is present at the inquest though not visible.

X: Important Evidence

Testifies about the discovery of the broken hatpin in the register, linking it to the murder weapon.

XIII: Howard van Burnam

Present at the inquest; produced the hat found in the closet; his reactions are noted by Amelia, especially his contemplation of his cane.

A Serious Admission

Present at the inquest; briefly confirms the register was closed when asked by the Coroner.

XV: A Reluctant Witness

Sent by the Coroner into the neighboring room to facilitate the next witness, showing his role in managing the inquest.

Book II: The Windings of a Labyrinth

The detective working alongside or in parallel with Amelia on the case.

XVI: Cogitations

Mentioned indirectly through the police discoveries; his work is part of the evidence Amelia weighs.

Butterworth Versus Gryce

Visits Amelia to discuss the identification of the man entering the Van Burnam house; is sarcastic and dismissive of her theories but shows signs of being unsettled.

Miss Butterworth’s Theory

Mentioned at the end as the detective Amelia hopes to impress with her theory.

A Shrewd Conjecture

Mentioned as not having produced the plaid silk bundle.

XXIII: Ruth Oliver

Referenced by Amelia as the detective she wishes to outdo in solving the case.

A Tilt with Mr. Gryce

Engages in a verbal duel with Amelia; admits he has not found the rings and shows interest in her discoveries.

XXVIII: Taken Aback

Sends a letter to Miss Butterworth informing her that the rings have been found and that Franklin Van Burnam will be arrested.

Book III: The Girl in Gray

The detective working alongside Amelia, sharing insights and coordinating efforts.

XXIX: Amelia Becomes Peremptory

Wary and patronizing, he uses a vase as a prop while probing Amelia's knowledge.

The Matter as Stated by Mr. Gryce

Mr. Gryce explains his investigation, his doubts about Howard's guilt, and his strategy to implicate Franklin Van Burnam.

Some Fine Work

Lays out the evidence against Franklin Van Burnam, including the rings and letter, and attempts to elicit Miss Butterworth's confidence.

XXXII: Iconoclasm

Humbled and astonished by Amelia's revelations, admits to being outwitted and listens intently.

Known, Known, All Known.

Leads the interrogation of Ruth Oliver, using gentle but persistent tactics to extract information about the rings and her involvement.

Exactly Half-Past Three

Discusses the case with Miss Butterworth, plans a scheme to test Ruth Oliver at half-past three, and expresses sympathy for her.

A Ruse

Devises the scheme to test Ruth Oliver's reaction to the Van Burnam brothers; orchestrates the carriage encounter.

Book IV: The End of a Great Mystery

Detective involved in the case, present at the resolution.

The Result

Surprised and chagrined by the failure of his scheme; observes Ruth Oliver and Howard Van Burnam closely, trying to provoke a reaction.

Two Weeks!

Reveals himself as a detective; discusses the case with the Superintendent and agrees to shadow Ruth.

A White Satin Gown

Arranges Amelia's visit to Ruth Oliver; warns Amelia to report everything and humor Ruth.

As the Clock Struck

Present at the wedding, observed by Amelia; his expression is anxious.

With Miss Butterworth's Compliments

Has been shaken by the case, hinting at retirement due to his age and loss of confidence.

Endnotes

Mentioned in relation to the misidentification of Franklin Van Burnam.