This is assignment on the BBC World Service. I'm Felicity Hannah with the story of how our

investigations team have traced money tainted by an international bribery scandal through a complex web of trusts and offshore companies

to the UK High Street. Our outside of a coffee house in Tripoli. Pitch black out. He got into my vehicle and then that's when he handed me the documents

and he was pretty excited to be able to give these to me.

It was something like out of a movie more or less that you would see I guess.

There's a link connecting bribes like this one in 2009 to investments into property on the British High Street. We're finding out about this link for the very first time, thanks to the Pandora Papers,

a leak of almost 12 million documents and files, exposing the secret wealth and dealings of the super-rich.

The data obtained by the International Consortium of Investigative Journalists in Washington, D.C.

has led to one of the biggest ever global investigations.

Out of 12 million documents and files, we've chosen to follow a trail via Monaco and the Middle East

that shows how money has been laundered through UK property, corrupting and distorting the market for everyone else.

Born raised in Canada, of course, by a good Scottish parents and born raised in the oil industry.

It was ingrained to us.

I started in the oil industry as a young guy at 17, moved my way self up the ladder, you know,

from being a rough neck on the rigs to

drilling fluid engineering and then moved into sales and management along the way.

Lindsay Mitchell has spent his career traveling the world and working in the petroleum sector

following in his father's footsteps. He's an oil man through and through.

One of his promotions led him into a situation he hadn't ever expected.

And that story begins with this clandestine meeting

under a Libyan night sky.

I was well connected with some of the regime

...