Jared Kushner spent roughly three hours behind closed doors answering questions from House lawmakers investigating Russian interference in the 2016 U.S. presidential election on Tuesday.

President’s Trump’s son-in-law and senior adviser exited the secured room in the U.S. Capitol just before 1:30 p.m. Tuesday afternoon, declining to answer questions from reporters about the outcome of the meeting.

Leaders of the House Intelligence Committee’s probe offered few details on the interview but left the door open for the possibility of Kushner returning for more questioning.

Kushner has become a focus in the probe as a result of his meetings with Russians, including Sergey Kislyak, Moscow’s ambassador to the United States, and the recent revelation that he attended a meeting between Donald 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 Jr. and a Russian lawyer who promised damaging information on Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE last June.

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On Monday, Kushner met behind closed doors with staffers on the Senate Intelligence Committee as part of its parallel investigation into Russian election interference. During rare remarks from the White House, Kushner said he did not collude with Russia during the presidential campaign and had no improper contacts.

Following the meeting Tuesday, Reps. Mike Conaway (R-Texas) and 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.) — the lawmakers spearheading the probe — described the interview as productive and Kushner as open to answering the members’ questions.

“I found him to be straightforward, forthcoming, wanted to answer every question that we had and was willing to follow up on any questions that we think of later and didn’t ask this morning,” Conaway told reporters, noting Kushner’s “very professional manner.”

Schiff said that, while the session had been productive, Kushner expressed willingness to come back for more.

“We had a good opportunity to ask Mr. Kushner questions this morning. He expressed, and his counsel, receptivity to coming back for further questions,” Schiff said. “But it was a very productive session and an opportunity to ask about a range of issues that the committee has been concerned about. We appreciate his voluntary willingness to come and testify today.”

Other members of the committee emerged without answering questions, heading to a brief series of House votes.

Some members, like Rep. Tom Rooney (R-Fla.), left before the conclusion of Kushner’s interview.

House Intelligence Committee Chairman Devin Nunes (R-Calif.), who recused himself from the panel’s Russia probe after coming under fire for making allegations of “unmasking” Trump associates in intelligence reports, was also spotted leaving the secured area before the meeting with Kushner was concluded.

It is unclear, however, if Nunes participated in the interview. He declined to answer reporters’ questions.