Officer Harry Dunn told ABC's Pierre Thomas the emotional pain continues.
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Two years later: Where the US stands after Jan. 6 insurrection
President Biden will hold a ceremony on Friday to mark the second anniversary of the attack.
Attorney General Merrick Garland said in a statement, the Department of Justice's work is "far from over."
Biden will hold a ceremony Friday on the second anniversary of the attack.
The agency was found to be ill-equipped to handle the deadly riot.
Police said the Capitol should be reopened in the next three months.
The former president has denied wrongdoing related to the insurrection.
The previous reward was $100,000.
The 814-page document lays out the results of the committee's 17-month probe.
The panel released a summary of its final report following its last meeting.
The former president had sued to prevent being compelled to testify.
"That's not anywhere on my list," said the incoming House Oversight chairman.
