A TIME investigation found that ex-Russian intel officer Victor Boyarkin was a key link between Paul Manafort and a powerful Putin ally during the heat of the campaign.

"He owed us a lot of money," Boyarkin says. "And he was offering ways to pay it back." https://t.co/HpoTYdOEOD

— Kyle Griffin (@kylegriffin1) December 29, 2018