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After tracking the world's largest site for sharing sexually targeted children, 70% of the operators and users were found to be Korean. That's it. Hundreds of people who have bought this are also under police investigation.

I'm Bae Jung-hoon.

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The police arrested a man in their 20s for allegedly selling related videos via social media in April after receiving a complaint from a group about a child sexual exploitation video vendor.

The man reportedly collected and sold child sexual exploitation videos through chat apps and online.

The police who handed over the seller to the prosecution also launched a massive arrest for the buyers of the video.

So far, hundreds of known buyers have been identified by the police.

Recently, 223 Koreans were arrested as child sexual exploitation criminals due to international cooperation, and again, hundreds of them were on the investigation line.

In addition, critics say that the level of punishment in Korea for criminals related to child sexual exploitation is too low compared to foreign countries.

Choi Young-ae, chairman of the National Human Rights Commissioner of Korea, also pointed out that in a national audit.

[Chief Young-Ae / National Human Rights Commissioner: In other countries, it is very strictly regulated and punished for children (sexual exploitation videos). In Korean society, it does not filter well and this tends to be unpunished.]

In addition to aggressive arrests for child sexual exploitation video crimes, there is an urgent need to strengthen penalties.

(Video coverage: Halong, Video editing: Jang Hyun-ki)