He's not even the only thief that knows Conan's real identity as Shinichi Kudo. This movie is a sequel to the previous Lupin III vs Detective Conan special, but Kid doesn't appear in that one.

The newest film in the franchise, Detective Conan: One-eyed Flashback, has surpassed the opening day box office numbers for the previous film in the series, The Million-dollar Pentagram.

This article is wrong. Detective Conan is published by Shogakukan in Weekly Shōnen Sunday. This is not a popular Shonen Jump Manga.