How one of the UK’s worst sex offenders was finally caught

When answering a 999 call from a young woman who said she believed she had been spiked at a networking event, the Metropolitan Police were unaware they were about to stumble across one of the UK’s worst sex offenders.

Despite going under the radar for years as he abused a series of women in London, it took just a matter of minutes for Chao Xu’s web of depravity to be revealed.