Robert Mueller's special counsel investigation has spent $3.2 million during the first four months of his investigation, including $1.7 million on salaries and benefits for attorneys and other Justice Department employees detailed to the team.
In February, The Guardian reported Deutsche Bank reviewed Trump's accounts to see if there were any "suspicious connections" to Russian Federation but didn't find any links.
Mueller is investigating alleged Russian attempts to influence the election, and potential collusion by Trump aides.
Yemen leader orders advance on Sanaa as predecessor killed
Saleh was killed on Monday after he tried to break off the alliance with the Houthis and negotiate with the Saudi coalition. Houthi officials said their fighters killed Saleh as he tried to flee the capital for his nearby hometown of Sanhan.
The heat on the investigation of President Trump's finances has just been cranked up even further.
Deutsche Bank management is ready to share information about the lender's dealings with Trump and is hopeful that doing so will help end the series of inquiries from Democrats, an executive at the bank, who asked not to be identified discussing private deliberations, has previously told Bloomberg News.
He says he's confirmed "this with the bank and other sources". "The investigation would surely continue, though perhaps with someone who doesn't think his job includes protecting the FBI and Mr. (James) Comey from answering questions about their role in the 2016 election".
Before Trump became president, the bank loaned the Trump Organization hundreds of millions of dollars for various real estate projects.
Here's How You Can Join Computer Science Education Week in 2017
Last year, only 42,969 computer science students graduated into the workforce in the US. If you learn how to code, there's no limit what you can achieve .
News of the Deutsche Bank subpoena may escalate Trump's vitriol toward investigators, which over the past week has included publicly attacking the Justice Department and the Federal Bureau of Investigation, whose reputation he declared to be " in tatters".
Mueller incorporated several active investigations within the Justice Department including those of Trump campaign contacts with Russian Federation, former Trump campaign chairman Paul Manafort's business activities and former national security adviser Michael Flynn.
During a photo opportunity with senators at the White House on Tuesday, Mr Trump declined to answer shouted questions from reporters about whether Mr Mueller had crossed a line by asking Deutsche Bank for information.
As Mueller's investigation unfolds, Trump has gone on the offensive.
Around 50 leaders set for Paris climate summit
Trump has threatened several times to withdraw from the Paris accord saying it is crippling United States business. The agreement pledges all countries to capping rises in global temperatures and to cutting carbon emissions.