Federal law prohibits a foreign national from giving anything of value to a campaign engaged in a U.S. election.
关键是法庭是否认为"information" satisfies the legal requirement if it’s considered valuable to a campaign.
还有一个问题就是他后来的行为是否构成obstruction of justice.
https://www.politifact.com/truth-o-meter/article/2018/aug/07/was-trump-tower-meeting-russian-lawyer-totally-leg/