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{{Detective Boys InfoBar
| name                = Detective Boys
| japanese-name       = 少年探偵団 <br> (Shōnen Tantei-dan)
| english-name        = Junior Detective League 
| image               = Detective Boys Profile.jpg
| members             = [[Conan Edogawa]] (leader) <br> [[Ai Haibara]] (second-in-command) <br> [[Mitsuhiko Tsuburaya]] (third-in-command) <br> [[Ayumi Yoshida]] (member) <br> [[Genta Kojima]] (member)
| gadgets             = [[Detective Boys Badge]] <br> [[Wristwatch Flashlight]] <br> [[Kamen Yaiba Voice Changer]]
| guardians           = [[Hiroshi Agasa]] <br> [[Sumiko Kobayashi]] <br> [[Rumi Wakasa]]
| age                 = 6-7
| gender              = Male and Female
| first-appearance    = Manga: [[Volume 2#Scary Building Case|File 17]] <br> Anime: [[Roller Coaster Murder Case|Episode 1]]
| appearances         = {{:Detective Boys Appearances}}
| cases-solved        =
| keyhole             =
| footnotes           =
}}
The {{nihongo|'''Detective Boys'''|少年探偵団|Shōnen Tantei-dan}}, also known as '''The Junior Detective League''' in the English [[Funimation]] adaptation, are the pre-adolescent detectives with whom [[Conan Edogawa|Conan]] solves the occasional crimes in which he and his [[Teitan Elementary]] classmates stumble into.

== History ==
The Detective Boys were informally founded when [[Ayumi Yoshida]] and [[Genta Kojima]] decided to [[A Haunted Mansion Murder Case|investigate a mansion]] which was once a murder site and had been abandoned. Conan and his classmate [[Mitsuhiko Tsuburaya]] were drafted into accompanying the two, and the foursome entered the house. In the course of this adventure, Conan found out that the house was still inhabited by the mother and son of the murder victim; the son had killed his father in a fit of rage over his abusive behavior, and his mother had subsequently locked her own son in a dungeon beneath the house to wait until the deed's time-bar had passed. After Conan succeeded in exposing the two, they were arrested and the case was resolved.<ref>Manga Chapters 17-19, Anime [[Episode 20]]: Scary Building Case</ref>

In time, the four kept stumbling into more and more criminal cases, which were resolved thanks to Conan's deductive skills and initiative. Particularly after the case involving a sizable cache of stolen Italian gold coins<ref>Manga Chapters 36-39: Code Sheet Case</ref>, Ayumi, Genta and Mitsuhiko developed a taste for detective work and impulsively decided to become investigators themselves, mostly for fame and glory. After advertising their services in school<ref>Manga Chapter 56: Formation! The Detective Boys</ref>, they have become actively involved in many criminal cases provided by their schoolmates, though more often than not they keep accidentally coming upon such during their free-time activities. Some time later, their new classmate (and former [[Black Organization]] member) [[Ai Haibara]] was drafted into the group and replaced Mitsuhiko as the second-in-command. Two adults also joined this group informally, namely Professor [[Hiroshi Agasa]], who provides the group with special gadgets to aid them in their adventures, and their class teacher [[Sumiko Kobayashi]], a mystery novel enthusiast who proclaimed herself their manager.

In most cases, the Detective Boys act more like aides to Conan, who is the group's (mostly undisputed) leader due to his intelligence, extensive criminal knowledge and experience. In this role they function mostly as additional pairs of eyes who provide Conan with trivial-seeming but important clues, and display little investigative brilliance or determination of their own. As the series progresses, however, the other members, particularly Ai and Mitsuhiko, have demonstrated in some cases, especially where Conan is not present or out of commission, that the Detective Boys have the potential of becoming skilled investigators in their own right. Famous cases of such include:

'''Manga''':
* Chapter 251-253: [[Volume 25#Dangerous Cave Case|Dangerous Cave Case]]
* Chapter 548-549: [[Volume 53#Kobayashi-sensei's Mystery|Kobayashi-sensei's Mystery]]
* Chapter 712-715: [[Volume 68#Kaitou Kid and the Kirin's Horn|Kaitou Kid and the Kirin's Horn]]
* Chapter 753-755: [[Volume 72#Two-Five-Two|Two-Five-Two]]
* Chapter 759-761: [[Volume 72#Wolf-Crier|Wolf-Crier]]

'''Anime''':
* Episode 182: [[The Big Investigation of the Nine Doors]] (TV original)
* Episode 225: [[The Secret of the High Sales]] (TV original)
* Episode 303: [[The Victim Who Came Back]] (TV original)
* Episode 936: [[Intrigue at the Food Court]] (TV original)

'''Movie''':
* Movie 13: [[The Raven Chaser]]
* [[Lupin III vs. Detective Conan: The Movie]]

'''OVA''':
* OVA 07: [[A Challenge from Agasa! Agasa vs. Conan and the Detective Boys]]
* OVA 11: [[A Secret Order From London]]

'''Note:''' Caution must be advised for OVAs, movies and TV originals, as these are essentially non-canonical with the manga series and therefore not 100% diagnostically conclusive.

== Members ==
{{BeginBox}}
{{NewChar|name = [[Conan Edogawa]]|image = Conan Edogawa.jpg|link=Conan Edogawa|description =
* Actual leader of the Detective Boys}}
{{NewChar|name = [[Ai Haibara]]|image = Ai Haibara.jpg|link=Ai Haibara|description =
* Joined the Detective Boys much later
* Substitute analyzer and second-in-command of the team
* Conan's adviser}}
{{NewChar|name = [[Mitsuhiko Tsuburaya]]|image = Mitsuhiko Tsuburaya.jpg|link=Mitsuhiko Tsuburaya|description =
* Good general knowledge and third-in-command of the team
* Likes to be prepared or plan things}}
{{NewChar|name = [[Ayumi Yoshida]]|image = Ayumi Yoshida.jpg|link=Ayumi Yoshida|description =
* First girl to be in the Detective Boys
* Keen sense of observation}}
{{NewChar|name = [[Genta Kojima]]|image = Genta Kojima.jpg|link=Genta Kojima|description =
* Self-proclaimed leader of the Detective Boys
* "Muscle man" of the team}}
{{EndBox}}

== Guardians ==
{{BeginBox}}
{{NewChar|name = [[Hiroshi Agasa]]|image = Hiroshi Agasa.jpg|link=Hiroshi Agasa|description =
* Frequent guardian
* Inventor of the Detective Boy's special [[gadgets]]}}
{{NewChar|name = [[Sumiko Kobayashi]]|image = Sumiko Kobayashi.jpg|link=Sumiko Kobayashi|description =
* Self-proclaimed manager of the Detective Boys
* Teitan Elementary School teacher}}
{{NewChar|name = [[Rumi Wakasa]]|image = Rumi Wakasa.jpg|link=Rumi Wakasa|description =
* New guardian and protector
* Teitan Elementary School assistant teacher}}
{{EndBox}}

== Relationship analysis ==
=== Family and friends ===
==== Hiroshi Agasa  ====
The Detective Boys love Professor [[Hiroshi Agasa]] very much and they have a good familial relationship with each other. Professor Agasa has invented the 'Wristwatch Flashlight' and the 'Detective Boys Badge' to help them in their deductions and to contact each other in any situation that might come up.

Agasa, in turn, seems to consider the actual children of the group as surrogate grandchildren, and is willing to help them with various cases.

==== Sumiko Kobayashi ====
Sumiko Kobayashi is the current teacher of the class that the Detective Boys are in. She also proclaims herself to be their manager, much to the children's chagrin.

==== Rumi Wakasa ====
Since becoming assistant teacher in the Detective Boys' class, she has gone on a number of outings with them. She is secretly highly skilled at fighting and has protected the Detective Boys on a number of occasions. She also has very sharp deduction skills and has had to drop hints for Conan on the cases they've had together. However, there are indications that she is using the Detective Boys to her own ends.

==== Ran Mouri ==== 

==== Kogoro Mouri ====

== Trivia ==
* Genta refers to Conan as his apprentice in various episodes, mainly to show off to people.<ref>Anime Episode 129: The Girl from the Black Organization and the University Professor Murder Case</ref>
* In an interview, Gosho Aoyama stated that the purpose of the Detective Boys was to act as a cover for Haibara.
* Conan has notebook with the Detective Boys badge symbol on it as shown in Episode 231.
* The Detective Boys in ''Detective Conan'' and Nobita and his friends in ''Doraemon'' both share a lot of resemblance.
** Interestingly enough, Ai Haibara also draw parallel to Doraemon's sister Dorami, being a wise and intelligent member.

<gallery widths=185px perrow=5>
File:Detective Boys Nobita and friends.jpg|Detective Boys and Nobita and his friends
File:Conan and Nobita.jpeg|Conan Edogawa and Nobita Nobi (not in the sense of intelligence, but as the respective 'leaders' of their groups) 
File:Ayumi Yoshida and Shizuka (Doraemon).jpg|Ayumi Yoshida with Shizuka Minamoto
File:Mitsuhiko and Soneo (Doraemon).jpg|Mitsuhiko Tsuburaya and Suneo Honekawa
File:Genta and Gian (Doraemon).png|Genta Kojima and Takeshi 'Gian' Goda
File:Hiroshi Agasa and Doraemon (Doraemon).jpg|Hiroshi Agasa and Doraemon (both provide gadgets and assistance).
File:Ai Haibara and Dorami (Doraemon).png|Ai Haibara and Dorami (wise and intelligent as well as second female member(recurring in Dorami's case)).
</gallery>

== In other languages ==
{{BeginTable OtherLang}}
{{OtherLangItem|flag=Japan|Japanese|少年探偵団 Shōnen Tantei-dan}}
{{OtherLangItem|flag=Arab League|Arabic|فريق التحرّيات الصغير / فريق المحقّقين الصغار {{Bracket|Farīq At-Taḥarriyāt Aṣ-Ṣaghīr|(Investigations Junior Team)}} / <br /> {{Bracket|Farīq Al-Muḥaqqiqīn Aṣ-Ṣighār|(Junior Detectives Team)}}<ref>First called (Investigations Junior Team) then changed to (Junior Detectives Team).</ref>}}
{{OtherLangItem|flag=Indonesia|Bahasa Indonesia|Grup Detektif Cilik}}
{{OtherLangItem|flag=Malaysia|Bahasa Malaysia|Kumpulan Detektif Muda}}
{{OtherLangItem|flag=Catalonia|Catalan|Lliga de Detectius Júnior}}
{{OtherLangItem|flag=China|Chinese (Simplified)|少年侦探团 shào nián zhēn tàn tuán}}
{{OtherLangItem|flag=Hong Kong|Chinese (Traditional)|少年偵探團 shào nián zhēn tàn tuán}}
{{OtherLangItem|flag=US|English|Junior Detective League}}
{{OtherLangItem|flag=France|French|Détective Junior}}
{{OtherLangItem|flag=Philippines|Filipino|Junior Detective Squad}}
{{OtherLangItem|flag=Galicia|Galician|Liga de Detectives Xuvenís}}
{{OtherLangItem|flag=Germany|German|Detective Boys}}
{{OtherLangItem|flag=Italy|Italian|Squadra dei Giovani Detective}}
{{OtherLangItem|flag=South Korea|Korean|어린이 탐정단 Eo-rin-i Tam-jeong-dan}}
{{OtherLangItem|flag=Spain|Spanish|Liga Juvenil de Detectives}}
{{OtherLangItem|flag=Thailand|Thai|ขบวนการนักสืบเยาวชน K̄hbwnkār nạks̄ụ̄b yeāwchn}}
{{OtherLangItem|flag=Vietnam|Vietnamese|Đội Thám Tử Nhí (manga)<br>Đội Thám Tử Tí Hon (anime)}}
{{EndTable}}

== Gallery ==
<gallery widths=185px perrow=5>
File:Detective Boys.jpg|The Detective Boys.
File:Mitsuhiko Genta Ayumi when they were in kindergarten.jpg|Mitsuhiko, Genta, and Ayumi when they were in kindergarten.
File:vlcsnap-2013-11-02-21h30m20s44.png|Detective Boys ten years later.<ref>OVA 9: [[The Stranger from Ten Years Later]]</ref>
</gallery>

== See also ==
* [[Characters]]

== References ==
<references/>

{{Detective Boys}}

[[Category:Detective Boys|*]]

[[de:Detective Boys]]