The police gather the three suspects together where Conan reveals that the culprit is Kanji Kojima. Conan explains that the criminal is like Genta, meaning a mischievous boy and an elf. Conan reveals that the number eleven in German is pronounced as "Elf", the number that Kojima is wearing on his back. Kojima refuses to confess to the crime, Conan reveals that Kojima claimed he was busy listening to a horse race in the underground parking lot in his car in a desolate location in the parking lot yet he knew Genta was the first one to find Ludger meaning Kojima was at the crime scene. Kojima is then apprehended by the authorities. The next day, Ludger gives Genta a cheesecake as an apology for pointing him out as a criminal.