Two Republican committee chairmen have widened their investigation into President Joe Biden after they suspect he may have attempted to hinder his son Hunter Biden’s cooperation with the House’s impeachment investigation.

The GOP leaders, Oversight Committee Chairman James Comer of Kentucky and Judiciary Committee Chairman Jim Jordan of Ohio, honed in on an official White House statement suggesting that President Biden knew about Hunter’s plot to ignore congressional subpoenas in advance.

According to a joint statement issued by the chairmen: “In light of an official statement from the White House that President Biden was aware in advance that his son, Hunter Biden, would knowingly defy two congressional subpoenas, we are compelled to examine as part of our impeachment inquiry whether the President engaged in a conspiracy to obstruct a proceeding of Congress.”

In a letter to Edward Siskel, an assistant to Biden and the White House Counsel’s Office, the two GOP leaders noted:

Accordingly, and pursuant to the impeachment inquiry, please produce the following information for the period January 20, 2021, to the present:

1. All documents and communications sent or received by employees of the Executive Office of the President regarding the deposition of Hunter Biden, including but not limited to communications with Hunter Biden, Winston & Strawn LLP, and Kevin Morris; and

2. All documents and communications sent or received by employees of the Executive Office of the President regarding President Biden’s statement about his family’s business associates on December 6, 2023. Please produce this information as soon as possible but no later than January 10, 2024.

“The House Committee on Oversight and Accountability (Oversight Committee) and the House Committee on the Judiciary (Judiciary Committee, and with the Oversight Committee, the Committees) are investigating whether sufficient grounds exist to draft articles of impeachment against President Biden for consideration by the full House. Along with House Ways and Means Chairman Jason Smith, we set forth in a September 27, 2023 memorandum the evidence justifying the inquiry and the scope of this impeachment investigation.2 On December 13, 2023, the House of Representatives directed the Committees to continue this investigation,” the letter continued.

The House voted earlier this month to formally authorize its investigation into President Biden’s potential impeachment.

House Speaker Mike Johnson (R-La.) recently spoke about the impeachment inquiry into Joe Biden, saying, “We have a responsibility to do it.”

“These are — these are serious times, and this is a very serious matter. And I’ve said many times over the last few years because impeachment has been an issue that we’ve all become all too familiar with, that next to the Declaration of War, you can make an argument that impeachment may be the heaviest power that Congress holds. That — that constitutional responsibility lies with the House,” he added during a press conference last month.

“We — we have a duty to pursue the facts where they lead. John Adams famously said, ‘Facts are stubborn things.’ And you heard the recitation of that here this morning. These facts are alarming. They’re alarming to the American people. They are alarming to us. And so while we take no pleasure in the — in the proceedings here, we have a responsibility to do it. We’re very proud of the work of these three chairmen that you’ve seen here, Chairman Comer and Jordan and Smith,” Johnson added.

Meanwhile, Burisma, the Ukrainian-owned energy company where Hunter Biden landed a lucrative position as a board member during his father’s vice presidency, retained a New York law firm and registered as a foreign agent last week amid the ongoing Republican-led impeachment inquiry, according to a report.

The company retained the services of Cravath, Swaine & Moore, according to the federal government’s Foreign Agent Registration Act database, and appears to be registering for work done back in 2016, the report said.

On Friday, Natalie Winters with The National Pulse posted screenshots of the filings on the X platform, while repeating an allegation made in the past about Hunter by several Republican lawmakers.