Story Structure — 4 Plot Phases
A Murdered Imitation
The investigation begins with a liquor-store owner's death staged to resemble the Hangman killings. Roos and Baluzy identify inconsistencies that suggest the crime may be an imitation rather than a standard case.
Key Events
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Liquor Store Murder — A liquor-store owner is found dead in a murder staged to imitate the Hangman killer. Characters: Detective Nick Roos, Det. Sam Baluzy
Location: Liquor-store owner's building
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Crime Scene Examination — Roos and Baluzy inspect the scene for similarities with earlier Hangman cases. Characters: Detective Nick Roos, Det. Sam Baluzy
Location: Murder scene
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Imperfect Hangman Copy — The wire is too thick, the victim is too old, and no written message appears. Characters: Detective Nick Roos, Det. Sam Baluzy
Location: Murder scene
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Grace Gives Her Account — Grace says she was asleep after taking tranquilizers and had never seen the dead man. Characters: Grace Mitchell, Detective Nick Roos, Det. Sam Baluzy
Location: Grace Mitchell's apartment
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Hotel Protection — Because Grace is shaken and has a drug-use history, detectives arrange for her to stay in a hotel. Characters: Grace Mitchell, Detective Nick Roos, Det. Sam Baluzy
Location: Hotel
Grace Under Suspicion
Grace is moved to a hotel after giving a troubling account of the murder and revealing her professional scandal. Her guilt over a former patient's suicide adds psychological pressure to the investigation.
Key Events
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Grace's Professional Past — Investigators learn that Grace was a psychiatrist who lost her license after an ethical scandal. Characters: Grace Mitchell
Location: Hotel
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Patient's Suicide Revealed — Grace admits that the patient later shot himself and says she feels responsible for his death. Characters: Grace Mitchell
Location: Hotel
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Cryptic Message Appears — A cryptic message leads Roos to suspect that the killer is challenging police to a hangman game. Characters: Detective Nick Roos, Det. Sam Baluzy
Location: Crime scene
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Lynn Contacts Grace — Lynn Farmer contacts Grace during a live computer exchange as police begin tracing the communication. Characters: Grace Mitchell, Lynn Farmer, Detective Nick Roos
Location: Hotel computer
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Forced Letter Guessing — The killer forces Grace to guess letters while police try to trace the call. Characters: Grace Mitchell, Lynn Farmer, Detective Nick Roos
Location: Hotel computer
The Deadly Computer Game
A cryptic message transforms the case into a hangman challenge. During a live computer exchange involving Grace and Lynn, the police fail to stop the countdown before Lynn can be saved.
Key Events
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Countdown Defeats Police — The countdown ends before police can save Lynn, making the threat immediate and personal. Characters: Grace Mitchell, Lynn Farmer, Detective Nick Roos
Location: Computer exchange
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Jarvis's Apparent Alibi — Jarvis's work schedule gives him an apparent alibi, but Roos continues to follow him. Characters: Paul Jarvis, Detective Nick Roos
Location: Paul Jarvis's workplace
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Jarvis Is Confronted — Detective Little confronts Jarvis and arrests him during the investigation. Characters: Paul Jarvis, Detective Little
Location: Unspecified investigation location
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Jarvis Denies Guilt — Jarvis maintains that he is innocent after being arrested. Characters: Paul Jarvis, Detective Little
Location: Police custody
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Henry Leaves Institute — Henry suddenly leaves his institute, misses an appointment, and disappears with his car. Characters: Dr. Henry Mitchell, Detective Little
Location: Institute
The Unfinished Theory
Jarvis is arrested despite his claimed innocence, while Henry disappears from his institute with his car. Investigators increasingly focus on a possible connection among Grace, Jarvis, and the crimes.
Key Events
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Mitchell Connection Proposed — Little suggests that Grace may have been a suspect from the beginning and that Henry could be connected. Characters: Grace Mitchell, Dr. Henry Mitchell, Detective Little
Location: Police investigation
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Collaboration Theory Emerges — Roos considers whether Jarvis arranged the murders while Grace completed them. Characters: Detective Nick Roos, Grace Mitchell, Paul Jarvis
Location: Police investigation
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Balcony Route Timed — Detectives time a possible route and find that Grace might have had enough time to act. Characters: Detective Nick Roos, Det. Sam Baluzy, Grace Mitchell
Location: Hotel balconies and crime scene route
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Grace and Jarvis Centered — Available evidence places Grace and Jarvis at the center of the final investigative theory. Characters: Detective Nick Roos, Grace Mitchell, Paul Jarvis, Detective Little
Location: Police investigation
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No Definitive Resolution — The provided testimony establishes no definitive confession or final resolution. Characters: Detective Nick Roos, Grace Mitchell, Paul Jarvis, Dr. Henry Mitchell, Detective Little
Location: Police investigation