A four-part series by the I-Unit looks at how society’s obsession with gold through the ages underwrites a global shadow economy. An undercover team infiltrates the rival gangs that control Africa’s gold. These criminal networks turn…

The Labour Files, the largest leak in British political history, examines thousands of internal documents, emails and social media messages.

The I-Unit reveals details of an alleged campaign of gang rape and murder inside a world-famous gorilla park in the Democratic Republic of the Congo.

The Truth Illusion investigates one of the most profound questions asked through the ages: what can we prove to be the truth?