Lawyer Eri Kisaki's Testimony (2) Meitantei Conan : Season 1 Episode 506

The police confirm that Hasaka was at the convenience store during the ten-minute period. Conan notices that there are strange scratch marks on the pole near the convenience store and the guard rail alley directly above the garbage collection point. Conan realizes how the murder is done, tranquilizes Kogoro, and impersonates him using the voice changing bow tie.