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For nine years, Chris Hughes has fought a battle very few people ever see.

He oversees a team of 21 analysts in Cambridge who locate, identify and remove child sexual abuse material (CSAM) from the internet.

The Internet Watch Foundation (IWF) is funded by the global tech industry.

It manually reviews online reports of suspected criminal content sent in by the public. Mr Hughes sees upsetting material every day.

When content is verified, analysts create unique “digital