Synopsis
During the informal investigation, Conan discovers that the footprints of the armor in the snow were used to cover up the culprit's footprints, and finds that the locked room the son died in was set up.
During the informal investigation, Conan discovers that the footprints of the armor in the snow were used to cover up the culprit's footprints, and finds that the locked room the son died in was set up.