The five-member police academy are: Matsuda Jinpei-bomb squad, Zhu Jingguang-Undercover, Dihara Kenji-bomb squad, Date Wataru-Interpol, and Furuya Rei-Undercover.

Matsuda Jinpei appeared in the whole Detective Conan for less than 1 minutes. He was killed in a bomb attack. Although his appearance was short, it left a deep impression on people.

Zhu Jingguang worked undercover with Furuya Rei (An Shitou) in a black organization, codenamed "Scotland". Finally, because his undercover identity was exposed, and because he was protecting Furuya Rei (An Shitou), he chose to commit suicide when arguing with Akai Shuuichi. This scene also led to Furuya Rei (An Shitou) always misunderstanding Akai.

Kenji Dihara is a good friend and colleague of Matsuda Jinpei, and also a member of the explosion handling class of the Mobile Team of the First Police Division of the former Police Department. Dihara Kenji was killed by a bomber, and after his death, Matsuda Jinpei has been tracking him down.

Date Wataru is the criminal police who searched Lesson One, and he is also in charge of leading Senior Takagi. He and his lover Natalie have always been in love, but the day before they met their parents, he was killed by a tired driver. Natalie was very sad when she learned that, and finally she committed suicide with grief.

Furuya Rei's handsome appearance has won praise from many conan fan, and he is also numerous in The Executor of Zero. He has many identities, not only as an undercover in the black organization, but also as a waiter in the coffee shop downstairs of the Maori detective firm. He performed very well in the organization and could make tempting food in the coffee shop. Even Conan complained whether he had done a good job given by the police.