The autopsy reveals the poison to be Tetrodotoxin; a poison that causes instant paralysis and death soon after. Conan investigates and learns the method and the culprit who murdered Bitou. He tranquilizes Sonoko and impersonates her; declaring Shimizu to be the murderer. Conan reveals that Shimizu was the one playing Bitou's avatar in order disguise the fact Bitou was already dead. As for the weapon, Conan explains Shimizu hid a needle inside a cigarette, put gum around it, wrapped it around paper and had it stuck to the employee's shoes. As certain evidence, Conan reveals that a coin with Shimizu's fingerprint should be found in Bitou's arcade machine. Shimizu confesses revealing Bitou's gambling and debt caused his sister to develop Vitamin A deficiency and resulting in her blindness. As Sonoko, Ran, and Jodie leave the arcade, their discussion leads to Shinichi whom Jodie dubs as Cool Guy; She says goodbye whilst calling Conan Cool Guy and leaves. That night, Jodie calls an unknown person discussing how her target, the Rotten Apple has changed appearance.