Case Closed Season 1 Episode 508 The Blind Spot in the Karaoke Box (2) ( Air Date 2008-07-07 ) Genre Animation, Crime, Mystery, Comedy category. Overview "The police search the rooms of the four suspects for the blunt weapon used to murder Tatsumi Moniwa. Conan realizes that the man is not an FBI but a stalker who was targeting Sonoko. Upon investigation, Conan realizes who the murderer is.".