Ep. 134: Professor Shirai Decodes Yamata no Orochi Tomb Before Fatal Cave Incident
Aired on June 5, 2000

134
The skeletal remains are identified as a professor linked to the two victims. That same night, university professor Shirai successfully deciphers the code for the tomb of Yamata no Orochi. He enters what he believes to be the tomb, which is revealed to be a large cave by the next morning. However, shortly after entering this cavern, Shirai is killed. This event connects the professor directly to the earlier deaths and the ancient myth surrounding the serpent. The investigation must now account for this new murder and the specific circumstances of Shirai's death within the cave structure.
Episodes
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- Ep. 131 · Hajime trails Miyuki after suspecting she has a companion, leading to a car accident investigation.
- Ep. 132 · Investigation into a Park Murder Involving the Yamata no Orochi Myth
- Ep. 133 · Congresswoman Aoyama dies in fire, leading police to a lake skeleton with only glasses as identification.
- Ep. 134 · Professor Shirai Decodes Yamata no Orochi Tomb Before Fatal Cave Incident
- Ep. 135 · The fourth case file details the killer's revelation regarding the professor and three victims.
- Ep. 136 · Superintendent Akechi's Splendid Reasoning in Las Vegas File 1
- Ep. 137 · Superintendent Akechi's Brilliant Deduction in the Las Vegas Case Part Two
- Ep. 138 · Miyuki Nanase Faces Murder Suspicions After an Amusement Park Incident