Yikes, that has to be one of the dumbest and most unsatisfying murders in the series, especially considering the victim. Though I do have to give this case credit for establishing both Susato and Sholmes - they're a lot of fun. Props to the writers for making an assistant that isn't Yet Another Maya (even if I do like the others, Susato works well with Ryunosuke and Sholmes so far).
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A hero cannot be defeated simply by making him die.