The committee has already subpoenaed former White House counsel Pat Cipollone, who investigators hope will appear Wednesday to testify, and said it would also welcome follow-up details from members of the Secret Service with Mr. Trump that day. Representative Adam Kinzinger, Republican of Illinois, cited Ms. Hutchinson’s testimony that Mr. Trump wanted to join an angry crowd of his supporters who marched on Jan. 6, 2021, to the Capitol, where they rioted, as particularly valuable in “inspiring” more people. . to move forward as the commission is set for at least two public hearings this month. “Every day we have new people come forward and say, ‘Hey, I didn’t think about this piece of history that I knew was important,’” he said Sunday. “There will be much more information to come and stay tuned.” The committee is ramping up its year-long investigation into the Jan. 6 attack and Mr. Trump’s efforts to sway the 2020 presidential election. Subsequent hearings will aim to show how Mr. Trump illegally directed a violent mob toward the Capitol on January 6 and then failed to take swift action to stop the attack once it had begun. Over the weekend, Wyoming Republican Rep. Liz Cheney, the committee’s vice chairwoman, made it clear that criminal indictments of the Justice Department, including the Republican former president, could follow. The committee is also considering new documentary footage of Mr. Trump’s final months in office, including interviews with Mr. Trump and members of his family. Mr. Kinzinger, in a television interview, declined to reveal the new information he was referring to and did not say who provided it. He said nothing changed the committee’s confidence in her credibility. “There’s information I can’t say yet,” he said. “We would certainly say that Cassidy Hutchinson has testified under oath, we find her credible, and anyone who wants to discount that, which was first hand, should also testify under oath and not through anonymous sources.” In a separate interview, another committee member, Rep. Adam Schiff, said: “We are following additional leads. I think this evidence will lead to new testimony.” In Ms. Hutchinson’s appearance before the committee, she painted a picture of Mr. Trump as an angry, defiant president who was trying to let armed supporters avoid security screenings at a rally on the morning of Jan. 6 to protest his election loss. of 2020. Democrat Joe Biden. According to Ms. Hutchinson, Mr. Cipollone was concerned that Mr. Trump would face criminal charges if he joined his supporters in the march to Capitol Hill. Legal experts said Ms. Hutchinson’s testimony is potentially problematic for Mr. Trump as federal prosecutors investigate possible criminal wrongdoing. Ms. Cheney said in an interview broadcast on Sunday that the committee was still considering whether to issue recommendations to the Justice Department, indicating that “there may be more than one referral of criminal offenses.” Committee members said they hoped Mr. Cipollone would come forward. “He clearly has information about concerns about criminal trespassing, concerns about the president going to the Capitol that day, concerns about the chief of staff having blood on his hands if they didn’t do more to stop this violent attack on the Capitol ». said Mr. Schiff. “It’s hard to imagine anyone more at the center of things.” In her testimony, Ms. Hutchinson recounted a conversation with Tony Ornato, Mr. Trump’s deputy chief of staff for operations, who, she testified, said that Mr. Trump later grabbed the steering wheel of the president’s SUV when the Secret Service refused to let go to the Capitol after the rally. However, this account has been disputed. Bobby Engel, the Secret Service agent who drove Mr. Trump, and Ornato are willing to testify under oath that no agent was assaulted and that Trump never fell behind the wheel, a person familiar with the matter said. The person would not discuss the matter publicly and spoke on condition of anonymity. “We had interviewed Mr. Ornato several times,” said Zoe Lofgren, D-Calif., and a member of the committee. “His memory doesn’t seem to be as accurate as hers. We will certainly welcome them back if they wish.” The committee is also working to set up an interview with Virginia (Ginni) Thomas, the conservative activist and wife of Supreme Court Justice Clarence Thomas. She was asked to speak to the committee after revelations of her communications with Mr Trump’s team in the run-up to and on the day of the Capitol riot. Mr. Kinzinger appeared on CNN state of the unionSchiff was on CBS’ Face the NationMs. Cheney appeared on ABC This week and Ms. Lofgren spoke to NBC Meet the press. Our Morning Update and Afternoon Update newsletters are written by Globe editors, giving you a concise summary of the day’s most important headlines. Sign up today.