The trio of congresswomen serving among the House managers during the Senate impeachment trial said Thursday that Americans will view it as "rigged" if President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE is acquitted without witnesses or new evidence being presented.

"It seems to me, if there's not a full, fair trial with witnesses, he may get an acquittal, but he's not going to get an exoneration," Rep. Zoe Lofgren Zoe Ellen LofgrenTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence DHS opens probe into allegations at Georgia ICE facility House passes legislation to boost election security research MORE (D-Calif.) told NBC News. "It's going to be seen for what it is, just a rubber stamp to get him off the hook."

Lofgren was joined in the interview by Reps. Sylvia Garcia Sylvia GarciaHispanic Caucus asks for Department of Labor meeting on COVID in meatpacking plants Texas Democrat proposes legislation requiring masks in federal facilities Hispanic Caucus requests meeting with private detention center CEOs MORE (D-Texas) and Val Demings Valdez (Val) Venita DemingsFlorida Democrat introduces bill to recognize Puerto Rico statehood referendum Sunday shows - Trump team defends coronavirus response Demings slams GOP coronavirus relief bill: Americans 'deserve more than the crumbs from the table' MORE (D-Fla.); all three talked about the need for the impeachment trial to include witnesses, a matter that hasn't been decided yet.

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"That's yet unknown, whether we’ll have a full trial, but clearly, he engaged in serious misconduct that upended the constitutional order, really threatens our freedom,” Lofgren added.

Garcia said that Republicans seeking to help Trump can't hide their intentions from voters.

"Because everyday Americans know what a fair trial is. And that includes witnesses, it includes testimony, it includes both sides having a fair shot at presenting their case. And if they don't see that, then they'll say, 'Well, yeah, he got off, but it's because it was rigged,'" Garcia said.

The Texas congresswoman also noted that regardless of the result, Trump can't "erase" that he was only the third president in the history of the U.S. to be impeached.

On Thursday Democratic lawmakers pressed their case before the Senate that Trump abused the power of his office in his relations with Ukraine. The president's defense team is set to begins its rebuttal later this week.

Also serving as House impeachment managers are Democratic Reps. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (Calif.), Jerrold Nadler Jerrold (Jerry) Lewis NadlerTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence House passes bill to protect pregnant workers House Democrats postpone vote on marijuana decriminalization bill MORE (N.Y.), Hakeem Jeffries Hakeem Sekou JeffriesPelosi: House will stay in session until agreement is reached on coronavirus relief Races heat up for House leadership posts Postmaster general earned millions from company with ties to Postal Service: report MORE (N.Y.) and Jason CrowJason CrowClark rolls out endorsements in assistant Speaker race Trump-Afghan deal passes key deadline, but peace elusive Cook shifts 20 House districts toward Democrats MORE (Colo.).