Wagner is a Russian mercenary group whose operations have spanned the globe, from front-line fighting in Syria to guarding diamond mines in the Central African Republic. But it is notoriously secretive and, as such, difficult to scrutinise.
Now, the BBC has gained exclusive access to an electronic tablet left behind on a battlefield in Libya by a Wagner fighter, giving an unprecedented insight into how these operatives work.
And another clue given to us in Tripoli - a “shopping list” for state-of-the-art military equipment - suggests Wagner has probably been supported at the highest level despite the Russian government’s consistent denials that the organisation has any links to the state.
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