258:(constricted pupils), and numbness in their hands. Some victims described having seen a fog with a pungent and irritating smell floating by. A total of 274 people were treated. Five dead residents were discovered in their apartments, and two died in hospital immediately after admission. An eighth victim, Sumiko Kono, remained in a
301:
in his residence. Although it was later proven that sarin cannot be manufactured from pesticides, Keiichi
Tsuneishi, a Japanese historian, claimed the nerve agent is synthesizable from organophosphorus pesticides, and Kōno was dubbed by some in the media "the Poison Gas Man". He subsequently received
265:
The day after the attack, dead fish were found in a pond near the scene. The bodies of dogs, birds, and a large number of caterpillars were found in the area. Grass and trees had withered and the trees' leaves had discoloured. Nearly all of the casualties had been discovered within a radius of 150
289:
in 1995. One section of the tip 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."
249:
to release a cloud of sarin which floated near the home of the judges. The truck's cargo space held "a heating contraption that had been specifically designed to turn" twelve litres of liquid sarin into an aerosol, and fans to diffuse the aerosol into the neighbourhood.
305:
After the Tokyo attack, the blame was shifted to the cult Aum. Matsumoto's police chief, on behalf of the police department and media, publicly apologized to Kōno. Kōno's wife later awoke from her coma, but recovered neither speech nor body movement; she died in 2008.
244:
into the
Matsumoto courthouse was altered when the cult members arrived in the city after the courthouse had closed. They decided to instead target a three-story apartment building where the city's judges resided. At 10:40 pm, members of Aum used a converted
236:
by vigorously opposing his plan to set up an office and factory in the city's southern area. Opponents of the plan gathered 140,000 signatures on an anti-Aum petition, equivalent to 70 percent of
Matsumoto's population at the time.
679:
253:
At 11:30 pm, Matsumoto police received an urgent report from paramedics that casualties were being transported to hospital. The patients were suffering from darkened vision, eye pain, headaches, nausea, diarrhea,
525:
Keiichi, Tsuneishi (July 4, 1994). "市販薬でも作れる猛毒サリン 知識や経験あれば可能 松本の中毒死" [Deadly poisonous sarin synthesizable from over-the-counter drug, possible with experience and knowledge. Death by poisoning in
Matsumoto].
510:
Keiichi, Tsuneishi (June 28, 1994). "ナゾの有毒ガスで７人死亡 農薬中毒に似る 松本市の住宅街" [Mysterious toxic gas killed seven people, resembles pesticide intoxication, residential area of
Matsumoto city].
302:
hate mail, death threats, and intense legal pressure. After the truth became known, every major
Japanese newspaper apologized to Kōno, including those that had not named him as a suspect.
887:
460:" The Sarin Gas Attack in Japan and the Related Forensic Investigation. Organisation for the Prohibition of Chemical Weapons, June 1, 2001. Web. April 18, 2021.
224:
had two goals; to attack three judges who were expected to rule against the cult in a lawsuit concerning a real estate dispute, and to test the efficacy of its
313:, were sentenced to death, and were executed in 2018. Combined, the attacks resulted in 21 deaths and thousands of hospitalizations and outpatient treatments.
266:
metres from the centre, near the pond. People near open windows or in air-conditioned rooms had been exposed to the aerosol. Forensic investigation using
359:
285:
Police received an anonymous tip implicating Aum after the attacks, but the sect was not officially implicated in the incident until after the later
267:
558:
418:
Kyle B. Olson, "Aum
Shinrikyo: Once and Future Threat?", Centers for Disease Control and Prevention, Research Planning, Inc., Arlington, Virginia
200:
that was released from a converted refrigerator truck in the Kaichi
Heights area. The attack was perpetrated nine months before the better-known
54:
402:
457:
470:
867:
852:
842:
751:
333:
432:
847:
872:
47:
877:
761:
658:
551:
882:
294:
862:
712:
497:
297:, whose wife was a victim put in a coma by the aerosol. It was discovered that Kōno had stored a large amount of
286:
201:
309:
Several Aum members were found guilty of masterminding both incidents. 13 Aum members, including cult leader
803:
857:
741:
731:
696:
544:
798:
567:
92:
246:
109:
638:
603:
381:
217:
213:
186:
182:
36:
32:
821:
598:
371:
363:
484:
663:
648:
643:
623:
475:
193:
on the night of June 27, 1994. Eight people were killed and more than 500 were harmed by
618:
376:
836:
628:
613:
588:
310:
233:
221:
178:
174:
153:
117:
816:
782:
608:
593:
163:
Attempt to assassinate judges presiding over criminal charges against Aum
Shinrikyo
653:
633:
229:
105:
480:
69:
56:
298:
274:
113:
385:
367:
228:—which the cult was manufacturing at one of its facilities—as a weapon of
241:
197:
680:
United States State
Department list of Foreign Terrorist Organizations
500:"False Prophet: The Aum Cult of Terror" (chapter 18), Patrick Bellamy
458:
The Sarin Gas Attack in Japan and the Related Forensic Investigation.
255:
212:
The sarin attack occurred in a quiet residential area in the city of
225:
194:
190:
127:
40:
350:
Olson, Kyle B. (1999), "Aum Shinrikyo: Once and Future Threat?",
259:
540:
293:
After the incident, police focused their investigation on
277:, and Mii Yasumoto, a 29-year-old medical school student.
536:
334:"Main Matsumoto sarin victim dies 14 years after attack"
273:
The fatalities included Yutaka Kobayashi, a 23-year-old
403:"Survivor of Aum's '94 sarin attack dies while in coma"
232:. Residents of Matsumoto had also angered Aum founder
270:
revealed that the poison was the nerve agent sarin.
791:
775:
724:
689:
672:
581:
159:
149:
141:
133:
123:
99:
85:
46:
28:
23:
552:
16:1994 attempted assassination by Aum Shinrikyo
8:
559:
545:
537:
360:Centers for Disease Control and Prevention
20:
375:
329:
327:
325:
398:
396:
394:
321:
137:8 (including a victim who died in 2008)
426:
424:
262:for fourteen years and died in 2008.
7:
888:Terrorist incidents in Japan in 1994
268:gas chromatography–mass spectrometry
433:"Matsumoto: Aum's sarin guinea pig"
240:Aum's original plan to release the
362:, Research Planning, Inc.: 513–6,
14:
753:The Story of Kamikuishiki Village
576:Formerly known as Aum Shinrikyo
483:. June 28, 2009. Archived from
471:"Matsumoto gassings remembered"
431:Murphy, Paul (June 21, 2014).
220:. In carrying out the attack,
177:perpetrated by members of the
1:
904:
713:Tokyo subway sarin attack
358:(4), Arlington, Virginia:
812:
574:
287:Tokyo subway sarin attack
202:Tokyo subway sarin attack
868:June 1994 events in Asia
853:Chemical weapons attacks
843:Attacks by Aum Shinrikyo
697:Sakamoto family murder
743:Me and the Cult Leader
368:10.3201/eid0504.990409
171:Matsumoto sarin attack
24:Matsumoto sarin attack
848:1994 murders in Japan
799:2019 Tokyo car attack
70:36.2430°N 137.9716°E
873:Mass murder in 1994
705:Matsumoto incident
530:(Morning ed.).
514:(Evening ed.).
338:The Yomiuri Shimbun
66: /
878:Massacres in Japan
247:refrigerator truck
110:chemical terrorism
883:Matsumoto, Nagano
830:
829:
682:(removed in 2022)
639:Tomomasa Nakagawa
604:Kiyohide Hayakawa
528:The Asahi Shimbun
512:The Asahi Shimbun
409:(August 6, 2008).
407:The Asahi Shimbun
340:(August 6, 2008).
218:Nagano Prefecture
187:Nagano Prefecture
181:doomsday cult in
173:was an attempted
167:
166:
75:36.2430; 137.9716
895:
863:June 1994 crimes
767:
757:
747:
737:
716:
708:
700:
599:Satoru Hashimoto
561:
554:
547:
538:
532:
531:
522:
516:
515:
507:
501:
495:
489:
488:
487:on June 7, 2011.
467:
461:
454:
448:
447:
445:
443:
428:
419:
416:
410:
400:
389:
388:
379:
352:Emerg Infect Dis
347:
341:
331:
81:
80:
78:
77:
76:
71:
67:
64:
63:
62:
59:
21:
903:
902:
898:
897:
896:
894:
893:
892:
833:
832:
831:
826:
808:
787:
776:Sects/Offshoots
771:
765:
755:
745:
735:
720:
714:
706:
698:
685:
668:
664:Masato Yokoyama
659:Masami Tsuchiya
649:Kazuaki Okazaki
644:Tomomitsu Niimi
624:Yoshihiro Inoue
577:
570:
565:
535:
524:
523:
519:
509:
508:
504:
496:
492:
476:The Japan Times
469:
468:
464:
455:
451:
441:
439:
437:The Japan Times
430:
429:
422:
417:
413:
401:
392:
349:
348:
344:
332:
323:
319:
283:
210:
102:
90:
74:
72:
68:
65:
60:
57:
55:
53:
52:
17:
12:
11:
5:
901:
899:
891:
890:
885:
880:
875:
870:
865:
860:
855:
850:
845:
835:
834:
828:
827:
825:
824:
819:
813:
810:
809:
807:
806:
801:
795:
793:
789:
788:
786:
785:
779:
777:
773:
772:
770:
769:
759:
749:
739:
728:
726:
722:
721:
719:
718:
710:
702:
693:
691:
687:
686:
684:
683:
676:
674:
670:
669:
667:
666:
661:
656:
651:
646:
641:
636:
631:
626:
621:
619:Kenichi Hirose
616:
611:
606:
601:
596:
591:
585:
583:
579:
578:
575:
572:
571:
566:
564:
563:
556:
549:
541:
534:
533:
517:
502:
490:
462:
456:Seto, Yasuo. "
449:
420:
411:
390:
342:
320:
318:
315:
295:Yoshiyuki Kōno
282:
279:
209:
206:
165:
164:
161:
157:
156:
151:
147:
146:
143:
139:
138:
135:
131:
130:
125:
121:
120:
103:
100:
97:
96:
89:June 27, 1994
87:
83:
82:
50:
44:
43:
30:
26:
25:
15:
13:
10:
9:
6:
4:
3:
2:
900:
889:
886:
884:
881:
879:
876:
874:
871:
869:
866:
864:
861:
859:
858:Heisei period
856:
854:
851:
849:
846:
844:
841:
840:
838:
823:
820:
818:
815:
814:
811:
805:
802:
800:
797:
796:
794:
790:
784:
781:
780:
778:
774:
768:
764:
760:
758:
754:
750:
748:
744:
740:
738:
734:
730:
729:
727:
723:
717:
711:
709:
703:
701:
695:
694:
692:
688:
681:
678:
677:
675:
671:
665:
662:
660:
657:
655:
652:
650:
647:
645:
642:
640:
637:
635:
632:
630:
629:Fumihiro Joyu
627:
625:
622:
620:
617:
615:
614:Yasuo Hayashi
612:
610:
607:
605:
602:
600:
597:
595:
592:
590:
589:Shoko Asahara
587:
586:
584:
580:
573:
569:
562:
557:
555:
550:
548:
543:
542:
539:
529:
521:
518:
513:
506:
503:
499:
494:
491:
486:
482:
478:
477:
472:
466:
463:
459:
453:
450:
438:
434:
427:
425:
421:
415:
412:
408:
404:
399:
397:
395:
391:
387:
383:
378:
373:
369:
365:
361:
357:
353:
346:
343:
339:
335:
330:
328:
326:
322:
316:
314:
312:
311:Shoko Asahara
307:
303:
300:
296:
291:
288:
281:Investigation
280:
278:
276:
271:
269:
263:
261:
257:
251:
248:
243:
238:
235:
234:Shoko Asahara
231:
227:
223:
222:Aum Shinrikyo
219:
215:
207:
205:
203:
199:
196:
192:
188:
184:
180:
179:Aum Shinrikyo
176:
175:assassination
172:
162:
158:
155:
154:Aum Shinrikyo
152:
148:
144:
140:
136:
132:
129:
126:
122:
119:
118:assassination
115:
111:
107:
104:
98:
94:
88:
84:
79:
51:
49:
45:
42:
38:
34:
31:
27:
22:
19:
804:Kamikuishiki
783:Hikari no Wa
762:
756:(video game)
752:
742:
732:
704:
609:Ikuo Hayashi
594:Seiichi Endo
527:
520:
511:
505:
493:
485:the original
474:
465:
452:
442:February 24,
440:. Retrieved
436:
414:
406:
355:
351:
345:
337:
308:
304:
292:
284:
272:
264:
252:
239:
211:
208:Sarin attack
170:
168:
150:Perpetrators
116:, attempted
18:
763:Underground
654:Toru Toyoda
634:Hideo Murai
498:Guinea Pigs
230:mass murder
106:Mass murder
101:Attack type
73: /
61:137°58′18″E
48:Coordinates
837:Categories
817:Wikisource
582:Leadership
481:Kyodo News
317:References
91:10:40 pm (
58:36°14′35″N
690:Incidents
673:Criticism
299:pesticide
275:salaryman
214:Matsumoto
183:Matsumoto
114:terrorism
33:Matsumoto
386:10458955
29:Location
822:Commons
792:Related
377:2627754
242:aerosol
198:aerosol
142:Injured
124:Weapons
766:(book)
746:(film)
736:(film)
715:(1995)
707:(1994)
699:(1989)
384:
374:
256:miosis
160:Motive
134:Deaths
37:Nagano
725:Media
568:Aleph
226:sarin
195:sarin
191:Japan
128:Sarin
41:Japan
444:2017
382:PMID
260:coma
169:The
145:500+
86:Date
372:PMC
364:doi
93:JST
839::
479:.
473:.
435:.
423:^
405:.
393:^
380:,
370:,
354:,
336:.
324:^
216:,
204:.
189:,
185:,
112:,
108:,
39:,
35:,
733:A
560:e
553:t
546:v
446:.
366::
356:5
95:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.