Ep. 87: Hajime deduces the murder method and identifies the Scorpion
Aired on May 3, 1999

87
Hajime analyzes the circumstances surrounding the recent killings to determine the specific technique employed by the culprit. He then reveals his findings to the group, explicitly identifying the individual known as the "Scorpion" as the person responsible for the crimes. This deduction concludes the speculation regarding the nature of the murders and names the perpetrator.
Episodes
- Ep. 83 · Superintendent Akechi's Splendid Reasoning 2
- Ep. 84 · Fudo High Movie Team Leader Invites Miyuki To Film Project
- Ep. 85 · The Scorpion Claims Sanada as Second Victim While Hajime Notices Anomalies in the Film
- Ep. 86 · Kadowaki and Kurasawa are discovered dead in this third installment of the projection screen file.
- Ep. 87 · Hajime deduces the murder method and identifies the Scorpion
- Ep. 88 · Akechi's High School Mystery Involving a Library Death
- Ep. 89 · Young Akechi's Splendid Challenge File 2
- Ep. 90 · Investigation into the Legendary Shanghai Mermaid Murder Case File 1
- Ep. 91 · Investigation into the Second Legendary Shanghai Mermaid Murder Case