Detective Conan, released as Case Closed in English, is a very long-running anime and manga series. Seriously, with over 600 episodes, it's currently at 11th place in terms of total number of anime episodes, and having just surpassed 800 issues, it's in 25th place in terms of manga volumes. Shinichi Kudo (Jimmy Kudo in the US) is one of the world's foremost detectives. And he's only in high school. His sharp analytical mind allows him to connect points faster than just about anyone else. The local law enforcement agencies frequently ask him for help.