House Democrats could introduce articles of impeachment against President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE next week, four Democratic sources told The Hill on Thursday.

“I expect articles will be introduced next week,” one of the Democratic sources said, adding that the Judiciary Committee could also begin marking up those articles next week as well.

The sources signaled that the accelerated timeline is part of an effort to wrap up the historic inquiry into Trump’s dealings with Ukraine before Christmas. In doing so, however, Democrats don’t want impeachment to be the last vote Congress takes before heading into the religious holidays, preferring instead to end on a more bipartisan note like funding the government.

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Things are moving swiftly. Already on the docket for Monday: The House Judiciary Committee will hear presentations from Democratic counsels as the lawyers seek to lay out the evidence they have uncovered since launching the inquiry in September and as the committee weighs what impeachment articles to introduce.

Judiciary Chairman Jerrold Nadler Jerrold (Jerry) Lewis NadlerDemocrats shoot down talk of expanding Supreme Court Schumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (D-N.Y.) has informed Democrats on his committee to stay in Washington over the weekend rather than return home to their congressional districts. The committee is expected to hold mock hearings or prep sessions ahead of the Monday meeting.

“There is a lot of work to do,” Nadler said.

The impeachment timeline came into sharper focus Thursday after Speaker Nancy Pelosi Nancy PelosiPelosi: Trump Supreme Court pick 'threatens' Affordable Care Act Sunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election Will Democrats attempt to pack the Supreme Court again? MORE (D-Calif.) formally asked six committee heads investigating Trump to begin drafting the articles of impeachment.

Later in the day, she huddled in her office with those Democratic committee heads — Nadler, Intelligence Committee Chairman Adam Schiff Adam Bennett SchiffSchiff to subpoena top DHS official, alleges whistleblower deposition is being stonewalled Schiff claims DHS is blocking whistleblower's access to records before testimony GOP lawmakers distance themselves from Trump comments on transfer of power MORE (Calif.), Oversight and Reform Committee Chairwoman Carolyn Maloney Carolyn Bosher MaloneyPelosi, Democrats unveil bills to rein in alleged White House abuses of power Government watchdog recommends creation of White House cyber director position Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (N.Y.), Financial Services Committee Chairwoman Maxine Waters Maxine Moore WatersPowell, Mnuchin stress limits of current emergency lending programs Pelosi: House will stay in session until agreement is reached on coronavirus relief Omar invokes father's death from coronavirus in reaction to Woodward book MORE (Calif.) and Ways and Means Committee Chairman Richard Neal Richard Edmund NealCentrist Democrats got their COVID bill, now they want a vote On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package House Democrats to include more aid for airlines in coronavirus package MORE (Mass.) — to discuss what the next steps in the impeachment process would look like.

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But leaving the meeting, Pelosi declined to outline the possible scope of the impeachment articles.

“When we’re ready to make an announcement, we will,” she told reporters.

The impeachment developments come one day after the Judiciary Committee held its first hearing that weighed whether to introduce articles of impeachment against Trump. Three Democratic-invited constitutional scholars argued Trump had committed impeachable offenses.

A fourth scholar, invited by Republicans, disagreed, and warned such a move would set a dangerous precedent.

Democrats have been debating the scope of the articles, with some wanting to keep a narrow focus on the Ukraine matter and others pushing to broaden it to include revelations in 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's report examining Russian interference in the 2016 election. But at the Wednesday hearing, Democrats gave clues as to which impeachment articles they intend to write.

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On a screen displayed in the hearing room, Democrats listed three possible impeachable offenses: Abuse of power and bribery, obstruction of Congress and obstruction of justice.

Norman Eisen, the Democratic counsel for Judiciary, then went through a line of questioning in which he asked the three Democrat witnesses on Wednesday whether the president’s actions constituted examples of those three possible impeachable offense. The witnesses answered in the affirmative.

Rep. Eric Swalwell Eric Michael SwalwellHouse to vote on resolution affirming peaceful transition of power Swalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions MORE (D-Calif.), a close Pelosi ally who serves on both the Intelligence and Judiciary committees, has been pushing to keep the articles narrow and focused.

“I think it’s important that it’s digestible for everyday Americans who are understandably busy but who understand what a shakedown is too,” Swalwell said Thursday.

Nadler said part of the reticence on the part of Democrats drafting the articles now stems from the uncertainty surrounding Trump and the White House’s participation in the process.

Trump has until Friday to inform Nadler whether he or his counsel will take part in future hearings.

"Remember, we're still waiting until 5 o'clock tomorrow to hear from the president [about] whether he wants to present to the committee, and if he wants to it'll be done, I think, next week," Nadler said. "That's all I'm going to say."

Mike Lillis contributed.