Democrats are increasingly expressing worries that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE may seek to pardon allies convicted or charged in investigations of his campaign and administration in the wake of former Trump campaign chairman Paul Manafort Paul John ManafortOur Constitution is under attack by Attorney General William Barr Bannon trial date set in alleged border wall scam Conspicuous by their absence from the Republican Convention MORE’s sentencing.

Worries about Trump pardons have long been bandied about by critics of his administration, but the chatter is on the rise in recent weeks.

House Intelligence Committee Chairman Adam Schiff Adam Bennett SchiffChris Matthews ripped for complimenting Trump's 'true presidential behavior' on Ginsburg Trump casts doubt on Ginsburg statement, wonders if it was written by Schiff, Pelosi or Schumer Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (D-Calif.) signaled Thursday that his panel is interested in whether Trump is dangling pardons to witnesses tied to 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 investigation or to the Southern District of New York, which is probing payments made to two women alleging affairs with Trump.

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The chatter also comes as questions have been raised over whether former Trump lawyer Michael Cohen Michael Dean CohenA huge deal for campaign disclosure: Trump's tax records for Biden's medical records Our Constitution is under attack by Attorney General William Barr Eric Trump says he will comply with New York AG's subpoena only after Election Day MORE was approached by the president’s legal team with an offer suggesting the president would grant him a pardon following the FBI’s raid last year of his house and office.

“We’ve seen the president dangle pardons publicly really through much of the course of the investigation,” Schiff told The Hill and CNN.

“We are obviously are deeply interested in all the documents that Mr. Cohen produced and others that we’ve been able to obtain. We would be looking to corroborate the evidence we received and this is very much indeed a big interest of ours,” he added.

Schiff isn’t alone in raising the concern.

“I think if the president pardons people who we are talking about, it is an element of obstruction,” Rep. Mike Quigley Michael (Mike) Bruce QuigleyDemocrats introduce legislation to revise FDA requirements for LGBT blood donors Tucker Carlson sparks condemnation with comments about deadly Kenosha shooting Hillicon Valley: Three arrested in Twitter hack | Trump pushes to break up TikTok | House approves 0M for election security MORE (D-Ill.), a member of the House Intelligence Committee, told The Hill.

Quigley said he believes Trump is signaling plans to issue a pardon because he made similar comments when he pardoned I. Lewis "Scooter" Libby, the former chief of staff to then-Vice President Dick Cheney, and former Sheriff Joe Arpaio.

“Why do I worry about it? Because before he pardoned others like Libby and Sheriff Arpaio, he’s saying the same sorts of things he said then — that he was about to pardon. He’s saying the same things now,” Quigley said.

Asked this week whether he would offer Manafort a pardon, Trump responded that he felt “very badly” for his former campaign chairman but did not answer the question directly.

Trump has publicly said he believes he has the right to issue extensive pardons, stating on Twitter last summer that he even has the “absolute right” to pardon himself.

Trump’s attorney, Rudy Giuliani, also has suggested Trump could issue pardons after the Mueller probe concludes.

“When the whole thing is over, things might get cleaned up with some presidential pardons,” Giuliani, a former New York mayor, told the New York Daily News last year.

Giuliani also told The New York Times in August that he advised Trump to postpone decisions on pardons until after the Mueller investigation is over so as to not give the impression that he is trying to interfere with it. Trump, according to the report, agreed.

Democrats say such statements are a dog whistle to people that they could get a pardon for remaining loyal to Trump.

“Frankly from a public posture, I don’t think they had to approach the president. I think people like Rudy Giuliani were ringing the pardon dinner bell saying to ‘come get it,’” Quigley told The Hill.

Critics, worried Trump will pardon figures entwined in the investigations of his campaign and administration, have pointed to the president’s history of granting pardons or clemency to political allies he says have been unfairly treated by the justice system, such as Arpaio and Dinesh D'Souza.

Arpaio, the former sheriff of Maricopa County, Ariz., was found guilty in a Department of Justice-led probe for racially profiling Latinos and detaining those he suspected were in the U.S. illegally. An early supporter of Trump, Arpaio was convicted of criminal contempt in July 2017 for disobeying a federal judge's order to refrain from racially profiling Latinos during patrols.

In a statement announcing his pardon, Trump praised Arpaio’s “more than fifty years of admirable service to our Nation” and said he deserved clemency.

In May, Trump pardoned conservative commentator D’Souza, who pleaded guilty in 2014 to making illegal campaign contributions.

Trump said D’Souza “was treated very unfairly by our government!” He also said that while he does not personally know the commentator — who is known for vitriolic attacks against former President Barack Obama Barack Hussein ObamaMichelle Obama and Jennifer Lopez exchange Ginsburg memories Pence defends Trump's 'obligation' to nominate new Supreme Court justice The militia menace MORE, Hillary Clinton and other liberal leaders — he became aware of his case because he saw him in the news.

If Trump has talked about pardons while the probes are ongoing, then the Democrats’ criticism would be fair, said former Rep. Tom Rooney Thomas (Tom) Joseph RooneyHouse Dem calls on lawmakers to 'insulate' election process following Mueller report Hill-HarrisX poll: 76 percent oppose Trump pardoning former campaign aides Dems fear Trump is looking at presidential pardons MORE (R-Fla.), who sat on the House Intelligence Committee before retiring from Congress last year.

“As a former prosecutor I have a lot of faith in the justice system. I don’t think anyone should dangle a pardon which could undermine the process. Once time has gone by and the appeals have been exhausted and there seems to be an injustice, then [a pardon] could be considered,” Rooney told The Hill.

Others described it as a scare tactic that Democrats are using to hurt Trump.

“Chairman Schiff continues to voice the ‘concern of the day’ without one bit of evidence,” Rep. Mark Meadows Mark Randall MeadowsHouse moves toward spending vote after bipartisan talks House Democrats mull delay on spending bill vote Southwest Airlines, unions call for six-month extension of government aid MORE (R-N.C.), a close Trump ally, told The Hill.

“His new claims of potential pardons and abuse of power is just the latest attempt to message without supporting facts,” added Meadows, a member of the House Oversight and Reform Committee.

Rep. Chris Stewart Christopher (Chris) Douglas StewartAtlanta Wendy's 911 call the night of Rayshard Brooks's death released Tyler Perry offers to pay for funeral of Rayshard Brooks Current, former NHL players form diversity coalition to fight intolerance in hockey MORE (R-Utah), a member of the House Intelligence Committee, told The Hill that fears of pardons come from Trump's critics.

"I don't believe the president has any plans to pardon these individuals, he said. “The only people who suggest this are the presidents political detractors.”

Jordan Fabian contributed.