Investigative reporter Simona Weinglass leads a #BBCEye investigation into a criminal network, believed to have scammed more than a billion dollars from victims across the globe.

The organisation sponsored a top-tier football club to promote its online trading platform, promising investors the chance of astonishing returns. But what lies behind the claims?

The search – from a mansion in London, to a forest in Scandinavia and a call centre in Georgia – reveals a web of deceit.

We hear from victims, undercover agents and police, in a bid to track down who’s in charge.