Eastern European oligarchs are exposed as they launder frozen assets using offshore companies, international lawyers and Western banks.

Powerful and illegal weapons of mass surveillance are for sale to the highest bidder, putting the privacy of millions at risk.

The I-Unit infiltrates the pro-Israel lobby in the UK and exposes a covert influence campaign operated from the Israeli embassy in London.

An undercover operation exposes the traffickers behind the illegal trade of one of the world's most valuable substances, rhino horn.