And The Associated Press reports how Manafort may have directly orchestrated a lobbying operation to sway American public opinion for Ukraine's pro-Russian government.
"Now you look at Kellyanne and the other people we're bringing in and they're absolutely fantastic and I think they're going to be the ones that bring us all the way through November 8th and ultimately get us the victory", Eric Trump said. "I wish him the greatest success", Trump said.
Ukrainian journalist and member of parliament Serhiy Leshchenko holds pages showing allegedly signings of payments to Donald Trump's presidential campaign chairman Paul Manafort from an illegal shadow accounting book of the party of former Ukrainian president Viktor Yanukovych. He won a power struggle with campaign manager Corey Lewandowski, who left the campaign in June.
The resignation comes as the campaign seeks to correct course after weeks of damaging controversies and self- inflicted wounds, effectively evaporating Trump's steady footing against Democratic candidate Hillary Clinton in the polls and his post-convention bump.
Mr Trump confirmed Mr Manafort's departure in a statement.
"You can get rid of Manafort, but that doesn't end the odd bromance Trump has with Putin", said Robby Mook, Clinton's campaign manager. Manafort could face prison time and a fine as it was also reported that he didn't disclose he was working with a foreign interest group.
Trump's campaign on Wednesday announced a shakeup with the addition of Breitbart executive Stephen Bannon as campaign CEO. Lewandowski, who has continued to support Trump during on-air appearances as a CNN contributor, pointed to the lack of a traditional campaign structure on the ground - and reports that the Trump campaign hadn't purchased airtime for TV ads - as reasons for the political adviser's downfall.
"I think Donald Trump ought to really investigate this and where his chief adviser, what his association with the Russians are", Rep. Adam Kinzinger of IL told CNN's Jake Tapper earlier this week. Manafort resigned two days later.
Memo to Paul Ryan and Mitch McConnell - how much longer can you defend a candidate whose actions and language are so indefensible?