Name: 30亿美元的催泪瓦斯行业的兴起（The Rise Of The $3 Billion Tear Gas Industry）
Uploaded: 2021-05-25T07:20:28.000Z
Duration: 14 min 30 s
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Narrator: Much of the coverage of the 2020 protests

against police misconduct in the United States

Some of the sounds in this video may be shocking.

And some of the footage may be disturbing.

are firing volley after volley of tear gas.

Reporter: Step back, get back, get back, get back!

Reporter: There is so much gas that has been launched again

that you can barely even see that line of officers.

On June 1, law-enforcement officers used a variety

of less-lethal weapons on peaceful protesters

In 1930, police used tear gas to disperse a group

of unemployed demonstrators in front of the White House.

Announcer: Washington became a battleground.

President Herbert Hoover authorized the use of tear gas

on American veterans gathered in Washington

to demand their promised, yet unpaid bonuses.

the troops methodically set about dispersing the marchers

law-enforcement agencies around the world

But tear gas was initially developed as a weapon of war.

So how did it become the weapon of choice

Announcer: Reliability and high performance

Narrator: Less-lethal weapons, as they're called,

are weapons intended to limit the escalation of conflict

This industry was worth about $6.3 billion in 2016

and is projected to grow to $11.3 billion by 2023.

Tear gas represents about 25% of the industry,

meaning by 2023, it could be worth about $3 billion a year.

Anna Feigenbaum: This is completely a for-profit industry.

the author of a book about the history of tear gas.

Narrator: And the industry's rise is tied

The first known use of tear gas was in World War I,

when French soldiers fired tear gas grenades

It was one of many chemical weapons used in the war,

Announcer: A meeting of European foreign ministers

Narrator: A 1925 treaty known as the Geneva Protocol

banned the use of "asphyxiating, poisonous

But the United States would not ratify the agreement

that the protocol did not apply to nontoxic gases

or chemicals that could be used for riot control.

Jamil Dakwar: The idea was that if you allow tear gas

there could be escalation of other chemical weapons

Narrator: And the protocol also did not limit production

of those weapons, so production of tear gas grew.

Feigenbaum: The Chemical Warfare Service,

He decided that tear gas could have a lot of uses

And so he worked to create this kind of commercial

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30亿美元的催泪瓦斯行业的兴起（The Rise Of The $3 Billion Tear Gas Industry）

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