WASHINGTON — The Times now has the email to Donald Trump Jr. offering Russian aid to "incriminate Hillary." His reply: "If it's what you say I love it." Read the new article.

Before arranging a meeting with a Kremlin-connected Russian lawyer he believed would offer him compromising information about Hillary Clinton, Donald Trump Jr. was informed in an email that the material was part of a Russian government effort to aid his father's candidacy, according to three people with knowledge of the email.

The email to the younger Mr. Trump was sent by Rob Goldstone, a publicist and former British tabloid reporter who helped broker the June 2016 meeting. In a statement on Sunday, Mr. Trump acknowledged that he was interested in receiving damaging information about Mrs. Clinton, but gave no indication that he thought the lawyer might have been a Kremlin proxy.

Mr. Goldstone's message, as described to The New York Times by the three people, indicates that the Russian government was the source of the potentially damaging information. It does not elaborate on the wider effort by Moscow to help the Trump campaign.

There is no evidence to suggest that the promised damaging information was related to Russian government computer hacking that led to the release of thousands of Democratic National Committee emails. The meeting took place less than a week before it was widely reported that Russian hackers had infiltrated the committee's servers.

But the email is likely to be of keen interest to the Justice Department and congressional investigators, who are examining whether any of President Trump's associates colluded with the Russian government to disrupt last year's election. American intelligence agencies have determined that the Russian government tried to sway the election in favor of Mr. Trump.

The Times first reported on the existence of the meeting on Saturday, and a fuller picture has emerged in subsequent days.

Alan Futerfas, the lawyer for the younger Mr. Trump, said his client had done nothing wrong but pledged to work with investigators if contacted.

"In my view, this is much ado about nothing. During this busy period, Robert Goldstone contacted Don Jr. in an email and suggested that people had information concerning alleged wrongdoing by Democratic Party front-runner, Hillary Clinton, in her dealings with Russia," he told The Times in an email on Monday. "Don Jr.'s takeaway from this communication was that someone had information potentially helpful to the campaign and it was coming from someone he knew. Don Jr. had no knowledge as to what specific information, if any, would be discussed."