A Department of Justice inquiry into Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE and the Clinton Foundation has effectively concluded without producing tangible results, The Washington Post reported Thursday.

The investigation has not formally ended and no official notice has been sent to the Justice Department or lawmakers, but the the U.S. attorney tapped in November 2017 to look into the concerns raised by President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE and allies has largely finished his investigation, according to current and former law enforcement officials that spoke to the Post.

The investigation started after Trump and GOP allies in Congress raised concerns over former Secretary of State Hillary Clinton’s ties to a Russian nuclear agency and the Clinton Foundation. Huber was tapped by then-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 to look into the matters.

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“We didn’t expect much of it, and neither did he,” one person familiar with the matter told the Post. “And as time went on, a lot of people just forgot about it.”

People familiar with the situation told the Post that Huber’s work was largely done by the time former special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE filed his report last spring. Those people also told the newspaper that Huber would get involved only if other cases were not being handled.

When Matthew G. Whittaker became acting attorney general after Trump ousted Sessions in November 2018, Whittaker reportedly tried to push Huber to be more aggressive in his work, according to the Post. Huber, however, felt he had looked at all he could and there was not much more to do, sources said.

A representative for Huber referred the Post to the Justice Department, which declined to comment for the Post’s story.

An official for the Justice Department was not immediately available for comment when contacted by The Hill.