By Richard Spillett, Crime Correspondent For Mailonline
Published: 15:17 BST, 16 October 2019 | Updated: 15:23 BST, 16 October 2019
Police in the US, UK, Germany and South Korea have taken down a worldwide paedophile ring where sex offenders paid in bitcoin to download hundreds of thousands of vile child abuse images.
More than 250,000 horrific videos, stored on a computer server in South Korea and available through a website called 'Welcome To Video', were sold to paedophiles around the world through the dark web, with more than a million clips downloaded.
The US Department of Justice has now charged South Korean suspect Jong Woo Son, 23, with running the website as police forces around the world move in on those who have been using the site.
So far, 337 suspects have been arrested globally, with 18 investigations in the UK and seven men already convicted.
British paedophiles Dr Matthew Falder and Kyle Fox were among hundreds of sex offenders around the world using the sick website, which was based in South Korea
Welcome to Video, the site used by paedophiles around the world, has now been