The world’s richest man has become fixated on child sexual exploitation in deindustrialized English towns—much of which took place more than a decade ago.

Elon Musk has been targetting the UK government over the grooming scandal that has haunted Britain for years. The scandal refers to investigations in towns such as Rotherham, Rochdale, and Telford revealed widespread child sexual exploitation,

The billionaire tech mogul has been posting on his social media platform about a decade-old child sex abuse scandal in Britain. Here’s what to know.