Seventeen Democrats on the House Judiciary Committee sent a letter on Wednesday to the Justice Department demanding answers as to why the agency abruptly dismissed a money laundering case earlier this year involving the Kremlin-linked attorney who met with Donald Trump Jr. during last year's campaign.

In May, the Department of Justice (DOJ) settled United States v. Prevezon Holdings Ltd., a $230 million fraud and money laundering case that accused Prevezon Holdings executives of fraudulently obtaining a tax refund from the Russian treasury.

In the case, Prevezon was represented by Natalia Veselnitskaya, the Russian attorney who met with Trump Jr. during the campaign after promising incriminating 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.

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The Justice Department settled the case two days before trial for just $6 million. The letter, which was posted on Twitter Wednesday afternoon, demands to know whether the two events are connected.

"Two days before this trial was set to begin, the Department agreed to settle this $230 million case for less than $6 million and no admission of wrongdoing," it reads.

"Ms. Veselnitskaya told one Russian news outlet that the penalty was so light 'it seemed almost an apology from the government.'"

Letter by @HouseJudDems to AG Sessions on DOJ settlement of fraud case THIS YEAR handled by same Russian lawyer who met w/ @DonaldJTrumpJr. pic.twitter.com/VDofKJQsMt — (((Rep. Nadler))) (@RepJerryNadler) July 12, 2017

The Democrats demand Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE answer whether he talked with Trump transition officials or White House officials about the Prevezon case either before or after he was named by 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 to lead DOJ.

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The letter concludes by noting that the Justice Department owes the House committee a response "to at least twelve other outstanding letters" as the investigation into possible collusion between the Trump campaign and Russia continues.

On Tuesday, Trump's eldest son released a stunning chain of emails detailing his conversations about setting up a campaign meeting with Veselnitskaya, who had offered compromising information on Democratic presidential nominee Clinton.

The information was supposed to "incriminate Hillary and her dealings with Russia and would be very useful to your father,” and was "very high level and sensitive information but is part of Russia and its government's support for Mr. Trump.”

President Trump issued a brief statement Tuesday defending his son through White House deputy press secretary Sarah Huckabee Sanders during an off-camera briefing with reporters.

“My son is a high-quality person and I applaud his transparency,” Trump said.