the matsumoto incident was an act of domestic terrorism perpetrated by members of aum shinrikyo in matsumoto, japan, in nagano prefecture, on the evening of june 27 and the morning of june 28, 1994. eight people were killed"main matsumoto sarin victim dies 14 years after attack" the yomiuri shimbun (august 6, 2008)."survivor of aum's '94 sarin attack dies while in coma" the asahi shimbun (august 6, 2008). and over 200 were harmed by sarin gas that was released from several sites in the kaichi heights area. this incident was perpetrated about nine months before the better known sarin gas attack on the tokyo subway. ==description== the first calls to emergency officials occurred around 11:00 p.m.; by 4:15 a.m. the following morning, six people had died from the poison. on july 3, officials announced that the toxic agent had been identified as sarin using gas chromatographyâmass spectrometry. the dead included yutaka kobayashi, a 23-year old salaried worker, and yasumoto, a 29-year old medical school student.kyodo news, "matsumoto gassings remembered", japan times, june 28, 2009, p. 2. the sarin used in the incident was nearly pure.clinical review: tokyo â protecting the health care worker during a chemical mass casualty event: an important issue of continuing relevance ==investigation== although an anonymous tip implicating aum shinrikyo was given to police after the gassing, the sect was not officially implicated in this incident until after the later tokyo attack. one section read, "matsumoto was definitely an experiment of sorts. the result of this experiment in an open space: seven dead, over 200 injured. if sarin is released in an enclosed space say, a crowded subway it is easy to imagine a massive catastrophe."guinea pigs false prophet: the aum cult of terror (chapter 18), patrick bellamy after the incident, police focused their investigation on yoshiyuki kÅno, whose wife was a victim put in a coma by the gas. it was discovered that kÅno had stored a large amount of pesticide in his residence. despite the fact that sarin cannot be manufactured from pesticides, keiichi tsuneishi, a left-wing japanese historian, claimed the nerve agent is synthesizable from organophosphorus pesticides,{{cite news|last=keiichi|first=tsuneishi|date=june 28, 1994|newspaper=the asahi shimbun, evening edition|title=ãã¾ã®ææ¯ã¬ã¹ã§ï¼äººæ­»äº¡ãè¾²è¬ä¸­æ¯ã«ä¼¼ããæ¾æ¬å¸ã®ä½å®è¡ |trans_title=mysterious toxic gas killed seven peop
1994_in_Japan Aum_Shinrikyo Chemical_weapons_attacks Heisei_period Mass_murder_in_1994 Massacres_in_Japan Terrorism_in_Japan Terrorist_incidents_in_1994