Plot Analysis Summary
A mysterious letter campaign links cemetery instructions, an opera company, and a violent false suspicion before typewriter evidence reveals the killer.
Story Structure — 4 Plot Phases
A Graveyard Instruction
Digberry is caught leaving a cemetery at night and explains the mysterious payment instruction. Police bring him to headquarters to investigate the letter behind it.
Key Events
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Night Cemetery Encounter — A policeman catches Digberry leaving a cemetery in the middle of the night. Characters: Everett P. Digberry
Location: Cemetery
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The Thousand-Dollar Instruction — Digberry explains that he was instructed to leave $1,000 on his aunt's grave. Characters: Everett P. Digberry
Location: Cemetery
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Instruction Letter — Digberry says the cemetery instruction came through a letter. Characters: Everett P. Digberry
Location: Cemetery
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Transfer To Headquarters — Police bring Digberry to headquarters for questioning. Characters: Everett P. Digberry
Location: Police headquarters
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The Panther Named — Digberry identifies the letter's sender as someone called the Panther. Characters: Everett P. Digberry
Location: Police headquarters
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Other Recipients Gather — Several other people who received similar letters are also with the police. Characters: Everett P. Digberry
Location: Police headquarters
The Opera Connection
The police learn that several letter recipients are linked to an opera company. Lombardi is suggested as a suspect because he was recently banished from the company.
Key Events
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Other Recipients Gather — Several other people who received similar letters are also with the police. Characters: Everett P. Digberry
Location: Police headquarters
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Shared Connection Discovered — The police commissioner determines that the recipients share a connection with an opera company.
Location: Police headquarters
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Opera Company Connection — The opera company becomes the central link among the letter recipients.
Location: Opera company
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A Suspect Is Proposed — The investigators suggest Lombardi as a possible suspect with a motive. Characters: Enrico Lombardi
Location: Police headquarters
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Lombardi's Banishment — Lombardi is identified as a baritone recently banished from the company. Characters: Enrico Lombardi
Location: Opera company
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Newspaper Accusation — A newspaper names Lombardi as the prime suspect in the case. Characters: Enrico Lombardi
Location: Newspaper report
Public Accusation
A newspaper identifies Lombardi as the prime suspect, provoking his anger. He confronts a letter recipient, and Digberry becomes involved in the resulting violence.
Key Events
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Newspaper Accusation — A newspaper names Lombardi as the prime suspect in the case. Characters: Enrico Lombardi
Location: Newspaper report
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Lombardi Sees The Report — Lombardi becomes enraged after finding his name in the newspaper. Characters: Enrico Lombardi
Location: Newspaper report
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Confrontation With A Recipient — Lombardi confronts a person who received a letter from the Panther. Characters: Enrico Lombardi
Location: Unspecified meeting place
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Digberry Intervenes — Digberry intervenes during Lombardi's confrontation with the letter recipient. Characters: Everett P. Digberry, Enrico Lombardi
Location: Unspecified meeting place
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Assault By Choking — Lombardi chokes Digberry after Digberry intervenes. Characters: Everett P. Digberry, Enrico Lombardi
Location: Unspecified meeting place
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Assault By Striking — Lombardi also strikes Digberry during the confrontation. Characters: Everett P. Digberry, Enrico Lombardi
Location: Unspecified meeting place
The Typewriter Revelation
The police compare the Panther's typewritten letters with samples from various typewriters. The comparison leads to the revelation of the killer's identity.
Key Events
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Assault By Striking — Lombardi also strikes Digberry during the confrontation. Characters: Everett P. Digberry, Enrico Lombardi
Location: Unspecified meeting place
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Letter Comparison Begins — The police attempt to identify the Panther by comparing the letters.
Location: Police headquarters
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Typewriter Samples Examined — Investigators compare the typewritten letters with samples from various typewriters.
Location: Police headquarters
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The Killer Identified — The typewriter comparison leads to the revelation that the killer is the captain.
Location: Police headquarters
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Panther Case Revealed — The investigation concludes with the killer revealed as Captain Edgar Walters.
Location: Police headquarters
The police arrest a man climbing over the wall of a cemetery after midnight. He claims that he is being blackmailed and is following instructions he received by mail to leave $1000 on a certain grave. It turns out that he's not the only one who got a blackmail letter from the same person--calling himself "The Black Panther"--and it also turns out that all the recipients are connected to an opera company.