Rep. Raja Krishnamoorthi Subramanian (Raja) Raja KrishnamoorthiCDC causes new storm by pulling coronavirus guidance Democratic chairman says White House blocked Navarro from testifying Democrats urge CDC to update guidance to encourage colleges, universities go tobacco-free MORE (D-Ill.) is set to introduce a measure that would require the White House to disclose any pardon issued by President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE.

The bill, dubbed "the Presidential Pardon Transparency Act," would prompt the White House to make public any presidential pardons within three days of being granted. So far, the bill has attracted 24 co-sponsors, all of them Democrats.

The measure comes as some of Trump's lawyers are said to be discussing the president's ability to pardon his aides, family members and even himself in connection with the ongoing investigation into possible collusion between the Trump campaign and Russia.

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The Washington Post reported last week that, in addition to discussing the president's pardon powers, Trump's legal team is also exploring ways to undermine special counsel Robert Mueller's probe.

Krishnamoorthi voiced concern in a statement Wednesday that Trump could use discreet pardons to "sabotage" Mueller's investigation, and said the White House should be required to disclose such actions.

"The President has the power to pardon but the American people have the right to know how and when he has," Krishnamoorthi said.

To be sure, Trump has denied that he or anyone on his campaign coordinated or colluded with Russian nationals or officials to sway the 2016 election.

Anthony Scaramucci Anthony ScaramucciFormer DeVos chief of staff joins anti-Trump group Scaramucci to Lemon: Trump 'doubling down' on downplaying virus 'should scare' viewers Sunday shows - Leaked audio of Trump's sister reverberates MORE, the newly appointed White House communications director, said on CNN's "State of the Union" on Sunday that Trump "is not going to have to pardon anybody," and dismissed the Russia investigation as "nonsensical."

But in a separate interview on "Fox News Sunday" Scaramucci acknowledged that he had spoken about the issue of pardons with Trump, though he doubled down on his claim that "there's nobody around him that has to be pardoned."