Ep. 4: Togusa investigates the murder of Yamaguchi linked to The Laughing Man case
Aired on November 1, 2002

4
Togusa receives photographs from an old acquaintance, Yamaguchi, regarding an unresolved investigation into a hacker identified as The Laughing Man. Shortly after transmitting these images, Yamaguchi is found dead. Togusa begins to examine the circumstances surrounding this homicide, suspecting a connection to the mysterious hacker and the ongoing case. The narrative focuses on the immediate aftermath of the murder and the initial steps taken to uncover the truth behind Yamaguchi's death and the significance of the pictures he sent before being killed.
Episodes
- Ep. 1 · Section 9 Responds to Hostage Situation Involving Android Geisha and Undercover Investigation
- Ep. 2 · Unknown hijacker controls heavy-assault multiped tank causing destruction in Niihama
- Ep. 3 · Section 9 investigates a series of android suicides by targeting the manufacturer.
- Ep. 4 · Togusa investigates the murder of Yamaguchi linked to The Laughing Man case
- Ep. 5 · Section 9 suspects police investigators are manipulating the Laughing Man suspect.
- Ep. 6 · Kusanagi suspects The Laughing Man inserted a virus into police units guarding the Superintendent General.
- Ep. 7 · Authorities Monitor Marcelo Jarti's Regular Visits to Japan
- Ep. 8 · Major Investigates Hospital Regarding Unconsented Heart Transplant Case