The Blind Spot in the Changing Room (Part Two) The investigation of the murder continue. After discussion, the police and suspects realised there is another customer as their white sandal was outside the right changing room. Detective Takagi asked the three suspects to draw out the white sandals. Conan and Sera managed to figure out who the true culprit was. As different countries use their fingers to count differently and through the different terms Sera used to describe sports and her table manner, Conan realised she studied in England and not in America. With the clue “England”, Conan finally remember where he met Sera before.