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[Reiwa 2 years] Twenty-five years since the subway sarin incident occurred [Large incident]

[Reiwa 2 years] Twenty-five years since the subway sarin incident occurred [Large incident]
-ver.English-

In the past, it seems that there was a large-scale terrorist incident in Japan

Contents

  • Outline of subway sarin case
  • Subway Sarin case plan in general
  • Subway Sarin incident executed at each station
  • First aid measures
  • Investigation of subway sarin case

It has been 25 years this year. I wrote an article that would be an opportunity for the unknown generation to know.

Outline of subway sarin case

Outline of subway sarin case
An unprecedented chemical terrorist attack in Tokyo, the capital of Japan.

The practice in metropolitan areas has been widely featured not only in Japan but also in overseas media as an indiscriminate terrorist incident rarely seen in the world.

It attracted attention as an indiscriminate terrorist attack using chemical weapons, but the religion, Aum Shinrikyo, was at the core of its execution, and caused a stir in the whole world.

Subway sarin case on the day

  • Date: March 20, 1995
  • Time: around 8 am

The current Tokyo Metro Marunouchi Line, Hibiya Line and Chiyoda Line were executed aiming at the time of commuting congestion is expected.
It is Hideo Murai and Yoshihiro Inoue of Aum Shinrikyo who set the crime time.
This is because the government's peak commuting time, which was the true target, as well as the crime aimed at passengers alone, was around 8:10.

Aum Shinrikyo suspected of involvement in case

On
March 22, two days after the outbreak of the subway sarin, the Police Department increased the allegations that Aum Shinrikyo was involved in the subway sarin incident .
On March 22, a search of 25 bases in Kamikichi Isshiki Village, which had become one of Aum Shinrikyo's bases in the case of the notary secretary general's arrest and confinement, required the production of sarin used in the subway sarin case It is the background that we discovered a new chemical plant.

Subway Sarin case plan in general

Subway Sarin case plan in general
With subtle motives and extreme thinking, the subway Sarin incident was carried out.

Motivation for crime

Motivation for crime

  • Urban turmoil
  • Investigation disturbance

The beginning of this began on February 28, 1995 when the notary secretary general was arrested and confined.
Following the discovery of the incident, media outlets nationwide reported that Aum Shinrikyo was involved in the incident.
As a result, religious leaders have a sense of danger that the police will raid themselves.
In order to combat this sense of crisis, in addition to damaging the police organization, the aim is to disturb the metropolitan area and distract yourself from allegations in order to prevent them from conducting a mass investigation. As a crime.

Countermeasure meeting held in the limousine

Two days before the subway sarin case, the leader of the cult, Akiaki Asahara and other executives, took a limousine return to Kamikichi Isshimura and set up a countermeasure meeting in anticipation of the police conducting a forced investigation. I was doing.
In January of the same year, the Great Kansai Earthquake began to suppose that a raid was not carried out, and it was said that if a corresponding incident occurred, they could turn away from themselves.

target

The cults targeted those working at public security police, prosecutors' organizations, and courts.
And they knew that they would get off at Kasumigaseki Station on their commute, so they were planning to generate a sarin at a station shortly before and damage them.

Subway Sarin incident executed at each station

Subway Sarin incident executed at each station
For each station, the performers of the sarin spray and the stations and scale of damage that occurred.

Chiyoda Line

Crime on Chiyoda Line

  • Salin sprayer: Ikuo Hayashi
  • Implementation station: Around Shin-Ochanomizu Station

Two people died and 231 people were severely affected.

Marunouchi Line

Two cases occurred on the Marunouchi line.

Crime on Marunouchi Line1

  • Salin sprayer: Kenichi Hirose
  • Conducting station: Near Ochanomizu Station

One person died and 358 people were severely affected. (One later died of sequelae)

Crime on Marunouchi Line 2

  • Salin sprayer: Masato Yokoyama
  • Implementation station: Near Yotsuya Station

Two people died and 231 people were severely affected.

Hibiya Line

Two incidents occurred on the Hibiya Line.

Crime on Hibiya Line 1

  • Salin sprayer: Toyoda Toyota
  • Implementation station: Near Ebisu Station

The damage was 1 fatal and 532 were seriously ill.
One person who died later was also identified as sarin poisoning.

Crime on Hibiya Line 2

  • Salin sprayer: Yasuo Hayashi
  • Implementation station: Akihabara station neighborhood

Eight people died and 2,475 were severely ill.
The cause of the most damage at the site of the outbreak was that many passengers and people at the platform were affected by the sarin puck being kicked out to the platform at Kodenmacho Station, the next station. .

First aid measures

First aid measures
Immediately after the incident, a riot squadron and special rescue squadron were dispatched to the scene to rescue and rescue the victims.

Rescue activities in general

A total of 340 squads (approximately 1,400) were mobilized and engaged in rescue operations.
At the beginning of the incident, information was complicated, and there were many simple explosions and false reports of patients with sudden illness in the subway, which did not lead to the investigation of the cause at the site.
In addition, because the data of the sarin was not included in the gas analyzers of the riot police, accurate data could not be obtained even in the detection of gas components, and it was not possible to judge that the crime was caused by sarin.

Metropolitan Police Department

An emergency headquarters was set up as soon as the incident occurred.
In parallel with rescue activities, on-site inspections were conducted.
Only when the residue is brought into Kasouken is it determined that it was sarin.

SDF

The SDF and the Chemical Defense Platoon were responsible for the decontamination of Sarin.
In response to requests from various agencies, a temporary sarin decontamination unit will be formed and work will be carried out.

Investigation related to the subway sarin case

Investigation related to the subway sarin case
Agencies responded quickly to unprecedented and unprecedented events.

Conduct a home investigation

Two days after the subway Salin time, the religion, which was trying to turn the case into a scapegoat, is out of sight.
Police estimated Aum Shinrikyo's involvement in January, prior to the incident, as sarin had been detected in the soil of Kamikuni Isshimura, the home of the cult.
This will lead to a home investigation, including obtaining conclusive evidence.

Case investigation

Ikuo Hayashi, a sarin scatterer at the cult's leader, was arrested for allegedly stolen bicycles, and the police succeeded in immediately hearing details of the incident and the role assignments from the perpetrators.
I came to know the whole story in a surprising way.

Suspect arrest

After hearing from Ikuo Hayashi's arrest, the police have begun arresting those involved in earnest.
Masterminds, commanders, coordinators, sprayers, drivers and sarin makers were all arrested, and some were sentenced to death.

Subway sarin case summary

Not only in Japan, but also overseas, large-scale terrorism in the capital was unparalleled.
I do not say that religion is bad, but I think that it is also a trigger that religion can be seen through colored glasses due to such folly. Especially in Japan.
On the other hand, it is thought that the speed of response in each period after the incident also showed Japan's strength.

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