Tập 139: Conan tiết lộ Minoru là kẻ giết người bằng cách sử dụng chi tiết alibi từ máy chiếu trong vụ án chiếu phim cuối cùng.

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After gaining sufficient evidence and reviewing Toshiyuki's video, Conan uses Dr. Agasa's voice to shed light on the matter at hand and reveals that Minoru is the killer. The Detective Boys recreate the murder while Conan elaborates how Minoru used the movie projector to fabricate an alibi. After killing Seiji offscreen, Minoru returned to the projection room and used the mirrors to reflect the light from one window to the other, which had Seiji's corpse hung in front of it. The air conditioner caused the corpse to sway. The entire incident is caught on Toshiyuki's camera; after the shadow was shown, the film was shaky and knocked out of focus due to Minoru moving the mirror back to its original window. Yuriko went to the bathroom to use the mirror because there were none in the projection room, unintentionally giving Minoru and his methods away. Minoru confesses that he was driven to murder due to Seiji being the cause of low patronage. Before he leaves, Minoru asks to finish the final screening of the theatre for the Detective Boys. In the end, Akio decides not to sell the theatre, as the children reminded him the magic of theatres. (Source: Wikipedia)