…an FBI agent said that while reviewing tax returns for a company Manafort and his wife own, he discovered that Deripaska loaned Manafort $10 million. It’s unclear when the loan was made.

Deripaska is a longtime associate of Manafort’s, and the two men have a complicated financial history.

The affidavit disclosed that Deripaska financially supported Manafort’s consulting work in Ukraine when it began in 2005 and in 2006.

Deripaska and Manafort also worked together on a lobbying project in the US in 2006, and Deripaska signed a $10 million annual contract with Manafort for the deal, which Manafort said would “greatly benefit the Putin Government.”

When Manafort joined the Trump campaign ten years later, he owed Deripaska close to $20 million, according to legal complaints Deripaska’s lawyers filed in the Cayman Islands and New York.

Manafort’s debt to Deripaska attracted scrutiny last year, after The Atlantic published several emails appearing to show Manafort using his elevated role in the Trump campaign to resolve his conflict with Deripaska.