House Minority Leader Kevin McCarthy, R-Calif., at a news conference Thursday dodged questions about endorsing Trump in 2024 and whether there was any widespread election fraud in the 2020 election.

McCarthy also said he had no regrets about not allowing Republicans to serve on the Jan. 6 committee. Trump has said McCarthy made a "foolish" mistake by refusing to allow Republican members to join the panel after House Speaker Nancy Pelosi blocked several of his picks.

"I do not regret not appointing anybody at all," McCarthy told reporters.

There are two Republicans serving on the House panel: Liz Cheney of Wyoming and Adam Kinzinger of Illinois. The two outspoken Trump critics were appointed by Pelosi.

-ABC News' Benjamin Siegel

Federal agents searched the Virginia home of former Trump Justice Department official Jeffrey Clark on Wednesday morning, multiple sources with direct knowledge of the activity told ABC News.

It was unclear which federal agencies conducted the search, just hours before the House Jan. 6 committee was set to hold a hearing on then-President Donald Trump's effort to corrupt the Justice Department in what it says was his plot to overturn the election, but one neighbor who witnessed the law enforcement activity said they saw officials entering the residence early Wednesday.

Clark, a former assistant attorney general for the environment and natural resources, emerged as a key player in Trump's efforts to pressure the Justice Department in the wake of the 2020 election. He previously pleaded the Fifth Amendment in an appearance before the Jan. 6 committee and has declined to comment through an attorney when asked about specific details regarding his alleged coordination with Trump and others.

-ABC News’ Katherine Faulders, Alexander Mallin, Luke Barr and Mike Levine

The House select committee investigating the Jan. 6 attack on the U.S. Capitol and what led up to it is set on Thursday to bring into focus Trump's relentless post-Election Day efforts to enlist the Justice Department in his failed bid to overturn his election loss.

The committee's fifth hearing this month will feature testimony from three former top officials in the department who say they resisted Trump and his allies' repeated entreaties, former acting attorney general Jeffrey Rosen, former deputy acting attorney general Richard Donoghue and former top DOJ lawyer Steven Engel.

All three have previously confirmed that they joined a group of top White House lawyers in threatening a mass resignation if Trump didn't back away from plans to oust Rosen and replace him with another obscure official in the top echelons of the department who was sympathetic to the Trump's baseless claims of widespread voter fraud.

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-ABC News' Alexander Mallin

After detailing an effort by Jeffrey Clark to replace acting attorney general Jeff Rosen in order to help Trump overturn the election, Rep. Adam Kinzinger, R-Ill., turned to former top DOJ lawyer Steven Engel on other efforts by Trump to pressure the department.

After Trump sent a proposed draft lawsuit, done outside the department, to top DOJ attorneys that he wanted to send to the Supreme Court, Engel called it a "meritless lawsuit" and an "unusual request" that the department would never bring.

"Obviously, even the person who drafted this lawsuit didn't really understand in my view the law, and or how the Supreme Court works or the Department of Justice," Engel said.

Trump and the White House also asked the Department of Justice if it could point a special counsel to look at widespread election fraud -- which did not exist -- with Engel detailing why "that was not legally available," before Kinzinger claimed Trump even offered the position of special counsel to campaign attorney Sidney Powell, as his pressure campaign continued.