To close out their 10th hearing overall -- the ninth since June -- the House Jan. 6 committee unanimously voted to subpoena Trump.

Rep. Liz Cheney, R-Wyo., offered the historic resolution and requested a voice vote. Each of the nine members, including seven Democrats and two Republicans, voted yes.

"It is our obligation to seek Donald Trump's testimony," chair Bennie Thompson, D-Miss., said about the subpoena.

Cheney said a subpoena for Trump is necessary since several witnesses pleaded their Fifth Amendment right when pressed about their conversations with the former president surrounding the 2020 election and the insurrection.

"Mr. Chairman, our committee now has sufficient information to answer many of the critical questions posed by Congress at the outset. We have sufficient information to consider criminal referrals for multiple individuals and to recommend a range of legislative proposals to guard against another January 6. But a key task remains. We must seek the testimony, under oath, of January 6's central plater," she said.

"More than 30 witnesses in our investigation have invoked their 5th Amendment right against self-incrimination, and several of those did so specifically in response to questions about their dealings with Donald Trump directly."

Cheney conceded that the Justice Department could reveal more information but indicated that time is of the essence.

"Mr. Chairman, at some point, the Department of Justice may well unearth the fact that these and other witnesses are concealing. But our duty today is to our country and our children and our Constitution. We are obligated to seek answers directly from the man who set this all in motion, and every American is entitled to those answers so we can act now to protect our republic," she said.

Chairman Bennie Thompson, D-Miss., said the committee needs to hear from the person they say is at the center of the story of what happened on Jan. 6: Trump.

“We want to hear from him,” Thompson said. “The committee needs to do everything in our power to tell the most complete story possible and provide recommendations to help ensure nothing like Jan. 6 ever happens again.”

Thompson said speaking with Trump goes beyond the committee’s “fact-finding” and is a question about accountability to the American people.

“He is required to answer for his actions,” he said.

Thompson said the committee recognizes subpoenaing a former president is an extraordinary step, which is why the panel will "take this step in full view of the American people."

The committee presented evidence the Secret Service voiced worry for Pence after Trump bashed him in a tweet for not blocking certification of the Electoral College results.

"POTUS just tweeted about Pence, probably not going to be good for Pence," one agent said in a chat with a colleague released by the committee Thursday.

"POTUS said he lacked courage. Over 24K likes in under 2mins," the colleague responded.

Former Twitter employee Anika Collier Navaroli, in testimony featured Thursday, said that rioters "were literally calling for [Pence's] execution," partially "in response to this tweet."

7:47

Former Twitter employee Anika Collier Navaroli video testimony shown

Navaroli was the most predominant Twitter employee to publicly testify about Jan. 6.