Mr. Jamieson

Gertrude Innes

Gertrude and Mr. Jamieson cooperate as allies in the investigation, with a respectful and helpful dynamic.

Gertrude Innes

Gertrude and Mr. Jamieson cooperate as allies in the investigation, with a respectful and helpful dynamic.

Gertrude Innes

Gertrude and Mr. Jamieson cooperate as allies in the investigation, with a respectful and helpful dynamic.

Where Is Halsey?

Not directly present in this chapter; referenced as a detective figure in the broader context.

V: Gertrude's Engagement

The younger detective who conducts the interrogation, notes the charred cigar and cigarette, and presses Gertrude for details about the night of the murder.

VI: In the East Corridor

The detective investigates the grounds, examines Arnold Armstrong's effects, and later locks a suspect in a small room that turns out to be the clothes chute.

VII: A Sprained Ankle

Leads the attempt to force the laundry room door and examines the escape route.

VIII: The Other Half of the Line

Leads the interrogation, reveals the theory that Armstrong was admitted from within, and obtains the other half of the cufflink from Thomas.

IX: Just Like a Girl

Referenced as the detective who suspects Gertrude and Halsey of knowledge about the murder.

X: The Traders’ Bank

Halsey spends part of the day with Mr. Jamieson, but details of their conversation are not shared.

XI: Halsey Makes a Capture

Meets the group during their stroll, shares the story of a veiled lady hiring a hack to Sunnyside, and discusses the mystery with Rachel.

XVII: A Hint of Scandal

Observes the inquest intently and agrees to spend a few days at Sunnyside to investigate the circular staircase.

XVIII: A Hole in the Wall

The detective arrives at Sunnyside, watches overnight, and examines the hole in the trunk-room wall, finding no clear explanation.

XIX: Concerning Thomas

Shares his theory that Jack Bailey prepared to flee before the murder and surrendered strategically; examines locks and watches Thomas closely.

XX: Doctor Walker’s Warning

Jamieson examines Thomas's body and discovers the key and address, noting that Thomas likely knew something he never revealed.

Fourteen Elm Street

Investigates the boy Lucien Wallace, arranges for Mrs. Tate to call him when the mother appears, and confronts Rachel about the revolver.

XXII: A Ladder Out of Place

Suggests sending a man out in his place, then returns to town early in the evening.

XXIV: Flinders

Called by Halsey; promises to come to Sunnyside that night with another man.

XXV: A Visit from Louise

Jamieson arrives with a new detective, reports finding the crashed Dragon Fly, and leads the search for Halsey.

XXVI: Halsey's Disappearance

Investigates Halsey's disappearance, reports on the car crash, and questions the family about Halsey's enemies and motives.

XXVII: Who Is Nina Carrington?

Leads the search for Halsey, calling nightly with updates.

XXIX: A Scrap of Paper

Returns to Sunnyside, tired and unshaven, bringing the cryptic scrap of paper and arranging an interview with Riggs. He theorizes that hidden bank money is concealed in the walls.

XXX: When Churchyards Yawn

Leads the expedition to the churchyard, having received a tip about Halsey's whereabouts.

XXXI: Between Two Fireplaces

Rachel recalls his theory about a hidden room near the circular staircase and his investigation of the clothes chute.

XXXII: Anne Watson’s Story

Investigates the circular staircase with the day detective while Rachel is at the hospital.

At the Foot of the Stairs

Leads the search for the secret room and orchestrates the pursuit of the intruder.