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A federal grand jury in Washington, D.C., declined to indict former Trump White House aide Cassidy Hutchinson after the Justice Department sought criminal charges over statements she made to Congress in 2022, two sources confirmed to Fox News Digital.

The Justice Department had sought to indict Hutchinson over allegations she lied to the House committee investigating the Jan. 6, 2021, Capitol riot, but the effort failed Tuesday, according to the sources.

It remains unclear whether federal prosecutors will make another attempt to secure an indictment.

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Cassidy Hutchinson gestures while speaking into a microphone during her Jan. 6 committee testimony

Cassidy Hutchinson, a former aide to White House chief of staff Mark Meadows, testifies before the House Jan. 6 committee June 28, 2022. (Brandon Bell/Getty Images)

Rep. Barry Loudermilk, R-Ga., who has investigated the work of the former Jan. 6 committee, questioned the grand jury's decision and argued that it left concerns about Hutchinson's testimony unresolved.

"The federal grand jury’s decision not to indict Cassidy Hutchinson raises serious questions about accountability and the equal application of the law. Given how deeply politicized January 6 has become, securing an indictment in this case was always going to be an uphill battle," he said in a statement to Fox News Digital.

Loudermilk argued that the decision leaves broader questions about the committee's work unanswered.

"However, this decision does not resolve the many questions surrounding Ms. Hutchinson’s testimony or the conduct of the former January 6 Select Committee. The American people deserve the truth; and those who testify under oath must be held to the same standard of accountability, regardless of politics."

Hutchinson, a former top aide to former White House chief of staff Mark Meadows, emerged as one of the most prominent witnesses before the House select committee investigating the Jan. 6 Capitol riot and President Donald Trump's efforts to challenge the results of the 2020 election.

During a nationally televised hearing in June 2022, Hutchinson testified about Trump's actions on Jan. 6, including an account she said she heard from another White House official about the president's reaction after being told he could not travel to the Capitol.

Her account of an alleged confrontation inside the presidential vehicle was subsequently disputed by other individuals familiar with the events.

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Fox News Digital previously reported that a federal grand jury in Washington had heard evidence concerning possible false statements Hutchinson made to the congressional committee.

At the time, a source familiar with the matter said additional evidence could be presented to the grand jury as soon as the following week and that no final decisions had been made about whether the investigation would result in criminal charges.

The New York Post also reported that the Justice Department was investigating Hutchinson over possible false statements to Congress.

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Cassidy Hutchinson sits at the witness table during a June 2022 House Jan. 6 committee hearing.

Former White House aide Cassidy Hutchinson testifies before the House select committee investigating the Jan. 6 Capitol riot June 28, 2022, in Washington, D.C. (Brandon Bell/Getty Images)

The grand jury's decision not to indict Hutchinson does not establish whether her congressional testimony was truthful or false. Hutchinson has previously maintained that she stands by her testimony.

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Fox News Digital reached out to the Justice Department and Rep. Bennie Thompson's office for comment.