https://www.motherjones.com/politics/2018/05/how-the-trump-team-scrambled-to-get-its-story-straight-on-meeting-with-a-russian-emissary/
"The day after Goldstone got the email from Garten, Goldstone wrote to Emin Agalarov and said the lawyers were worried that news of the meeting would expose Trump Jr. as having lied about campaign contacts with Russians. Though Goldstone did not mention it, President Donald Trump and his aides had made the same false claims denying contact between his campaign and the Russians."