Men of Forensics (科捜研の男たち Kasōken no Otoko-tachi) is the 104th chapter of the Dr. Stone manga.


With the crew of the Perseus petrified, Senku and the recon team seek out an inhabitant of Treasure Island to befriend. By fingerprinting a discarded shell, the team deduces a young woman is nearby. This is confirmed by a nearby hair, which is further analyzed to determine its origin.

Further up the mountain, the team discovers the young woman, currently being proposed to by several men.

Chapter Notes

  • Fingerprinting acquired!! Senku creates fingerprinting by steaming cyanoacrylates and using UV light.
  • Microscope acquired!! Kaseki had previously created a microscope using a lathe.
  • Kinro and Nikki are revealed to be petrified along with majority of the Perseus Crew.

Characters in Order of Appearance

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Arcs & Sagas
Prologue Saga
Stone Formula Arc
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Episodes 12
Vs. Tsukasa Arc
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Ishigami Village Saga
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Source of the Petrification Saga
Age of Exploration Arc
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Treasure Island Arc
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The Truth of the Petrification Saga
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