In the anime Detective Academy Q/Tantei Gakuen Q, at one point we learn that there is a snitch in DDS spying for Pluto/Meiosei.

At first we are led to believe that it is Hongou Sensei, but later Hongou is loyal to DDS when they go to the cruise ship so he probably wasn't the spy.

Katagiri Sensei had been briefly kidnapped and impersonated in the events leading up to the finale, but IIRC she is not being impersonated for very long, ruling her impersonator out as the snitch.

Ryu hates Pluto so can't be the snitch. Unless Pluto had bugged him (there is no confirmation of this in the anime)

So who was the snitch/spy? I'm talking about the period between when Hongou Sensei came in to before Dan was kidnapped.


The so-called mole is the subject of much debate between the manga and anime canons...

In the manga,

The secretary, Shino Katagiri... or rather the Pluto/Meiousei agent masquerading as her. The real Shino had was kidnapped before Dan Morihiko. Luckily they find and rescue her. It's assume that she was kidnapped later on.


Ryu was originally sent by Pluto/Meiousei as a spy/envoy (due to his status as the their of the organization) inside DDS, particularly to keep an eye on Dan Morihiko, but he later defects from Pluto/Meiousei.

In the anime,

Sir Anubis is the one that initiated the kidnapping of Dan Morihiko. He apparently hat Ryu under surveillance, after tries to leave Pluto/Meiousei, tries to use Dan-sensei as a bargaining chip to get Ryu to return.

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  • But she's kidnapped later, no? The presence of a mole is noticed pretty early on, and Katagiri is acting normal then. – Manishearth Dec 18 '13 at 17:40
  • Well there are multiple... which part of the story are you referring to? The one I mentioned is the one responsible for kidnapping Dan Morihiko. – кяαzєя Dec 18 '13 at 17:43
  • before that. I think Q class suspects a mole, and at first they think it is Hongou. There is suspicion on Hongou from the kids for the rest of the series, up to the finale. – Manishearth Dec 18 '13 at 17:45

In the anime, there is a scene where Katagari tells Dan about the arrival of Hongou. This is the episode where Hongou is first introduced. In the same above scene, Katagari mentions that even Maki sensei had come back from vacation and joined the DDS to resume his teaching and that the team of teachers is complete. Maki sensei is introduced in the beginning episodes. He is a forensic expert. It can be that he was the one who was kidnapped and replaced.

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