Former Trump campaign manager Corey Lewandowski Corey R. LewandowskiHow Trump can win reelection: Focus on Democrats, not himself Trump Jr. distances from Bannon group, says he attended 'single' event Bannon, three others charged with defrauding donors of 'We Build The Wall' campaign MORE is expected to appear for a second interview before the House Intelligence Committee this week as part of the panel's investigation into Russian interference, a committee source familiar with the matter confirmed.

Lewandowski, who has not been subpoenaed, will speak before the committee in closed session on Thursday, Bloomberg News reported Monday.

During his initial appearance before the committee in January, Lewandowski said he was not prepared to answer questions that related to anything after he left the Trump campaign in June 2016, but he said he was willing to return and submit to questioning at a later date.

The committee’s top Democrat, Rep. Adam Schiff (Calif.), called his unwillingness to answer certain questions at the time “completely unacceptable.”

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“He has expressed a willingness to come back and answer these questions, but to me that is unacceptable to have a witness come before us and decide that for the purposes of today’s interview, these are categories of questions I’m placing off limits,” Schiff said in mid-January.

Since then, Schiff has repeatedly called on the majority to subpoena Lewandowski, among other Trump officials, to compel further testimony.

Lewandowski's initial appearance came shortly after former White House chief strategist Stephen Bannon also declined to answer some of the committee’s questions by drawing the same line in the sand.

Bannon, who followed Trump from the campaign trail to the West Wing, further infuriated lawmakers in February by refusing to answer anything outside of 25 White House-scripted questions.

While both Democrats and Republicans discussed contempt proceedings after he stonewalled the committee last month, the majority appears to have less of an appetite for starting the process to hold the former Breitbart News chief in contempt of Congress than they did a few weeks earlier.

Rep. Mike Conaway Kenneth (Mike) Michael ConawayLive coverage: Democrats, Republicans seek to win PR battle in final House impeachment hearing Laughter erupts at hearing after Democrat fires back: Trump 'has 5 Pinocchios on a daily basis' Live coverage: Schiff closes with speech highlighting claims of Trump's corruption MORE (R-Texas) when asked whether he plans to talk to Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) about such charges on Monday, responded: "Maybe." Last month, he had claimed more definitively that their committee will begin looking at next steps in regards to Bannon.

Despite Lewandowski's second scheduled appearance, it is not clear whether he will provide any additional answers.

White House communications director Hope Hicks Hope Charlotte HicksSenate intel leaders said Trump associates may have presented misleading testimony during Russia probe: report Cuomo turned down Trump invitation to participate in April press briefing: report Trump shakes up White House communications team MORE, who has announced she will step down in the coming weeks, also declined last week to provide some answers during her testimony, saying it was at the instruction of the White House, according to Democrats. They said while she eventually discussed her time on the transition, she would not answer questions related to the June 2016 Trump Tower meeting in which Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE and other top campaign aides met with a Russian lawyer with reported ties to the Kremlin.

Lewandowski was ousted from the campaign over the summer, but he has claimed he still maintains a cozy relationship with the Trump administration.

He did not respond to a request for comment about his plans to appear before the committee.