Corey Lewandowski said Wednesday that he didn't know anything about Donald Trump Jr.'s meeting last year with a Russian lawyer offering damaging information on Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE because it was a "nothing meeting."

“I knew nothing about the meeting and the reason I knew nothing about the meeting — because there was nothing to the meeting," Lewandowski, who served as President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE's campaign manager at the time of the meeting, said during an interview on "Fox & Friends."

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"If this is a meeting that has any information that would have been relevant to the campaign or could have potentially impacted the outcome of the election, I would have been made aware of it," he said.

"President Trump would have been made aware of it. Neither one of us knew anything about the meeting because it was a nothing meeting. That's why.”

Trump Jr. on Tuesday released a chain of emails detailing his conversations about setting up a meeting in June 2016 with the Russia lawyer.