After the events of PORTRAITZ, Togusa uses J. D. Salinger's The Catcher in the Rye as a starting point and develops a theory that the Laughing Man is after something published on paper. Togusa receives permission to check out a Health, Labour and Welfare records building and stumbles on a key piece of evidence: a list of cyberbrain sclerosis patients treated by a secret vaccine has disappeared from the Ministry of Health, Labour and Welfare.
click here to see where to watch or (watch here).
Ready to Watch Ghost in the Shell Stand Alone Complex, Season 1, Episode 20?