Jimmy quickly comes up with an alias, Conan Edogawa (江戸川 コナン, Edogawa Conan?) , after Arthur Conan Doyle and Edogawa Rampo. Dr. Agasa tells her that he is a distant relative whose parents were in an accident overseas and that it may be better if he stays with her, since he doesn't know much about taking care of kids. "Conan" then goes to live with Rachel and her father, Richard Moore (Kogoro Mouri), a private detective, and hopes that by living with a detective, he can stay on top of current cases and be able to gather clues about the "Black Organization". Unfortunately, Detective Moore is so incompetent that Jimmy usually has to solve the mysteries for him. Jimmy frequently knocks out Richard with a watch that shoots mini tranquilizer darts and uses his voice-changing bow tie to imitate Richard's voice. (These gadgets were made by Dr. Agasa for him, and he later amasses many more gadgets that help him out.) Because of this, Richard gets all the credit and quickly becomes famous for his incredible deductions. Cases also begin to pile up, which occasionally gives Jimmy a chance to gather hints on the Black Organization.
In order to keep Conan's secret safe, Dr. Agasa enlists Conan at Titan Elementary School, where Conan befriends three of his classmates, Amy Yeager (吉田 歩美, Yoshida Ayumi?)), George Kaminski (小嶋 元太, Kojima Genta?), and Mitch Tennison (円谷 光彦, Tsuburaya Mitsuhiko?)). Together, they form the Junior Detective League (少年探偵団, Shōnen Tantei-dan?). Conan realizes that even though these kids are really kids, they are very astute and often help him solve difficult cases.
As the story progresses, Conan also befriends Anita Hailey (灰原哀, Ai Haibara?), who grew up within the Black Organization and is a former member of it along with her sister. Her real name is Shiho Miyano, and she is a gifted biochemist and creator of the APTX 4869 poison. She took the drug in an attempted suicide after her sister was murdered by the same men who attacked Jimmy and shrunk him while she was trying to arrange for herself and Shiho to leave the organization. The drug backfires on her too, and she becomes a little kid again as well. Through her child-like guise, she escapes the organization, and then Dr. Agasa finds her and takes her in to live with him. She proves to be a valuable ally to Conan and the gang as she continues her search for an antidote in addition to helping him gather information on the Black Organization in order to bring them down.
In order to keep Conan's secret safe, Dr. Agasa enlists Conan at Titan Elementary School, where Conan befriends three of his classmates, Amy Yeager (吉田 歩美, Yoshida Ayumi?)), George Kaminski (小嶋 元太, Kojima Genta?), and Mitch Tennison (円谷 光彦, Tsuburaya Mitsuhiko?)). Together, they form the Junior Detective League (少年探偵団, Shōnen Tantei-dan?). Conan realizes that even though these kids are really kids, they are very astute and often help him solve difficult cases.
