Former President Donald Trump‘s personal assistant in the White House, Nick Luna, testified virtually before the House select committee probing the January 6 Capitol incident in March.

The committee first subpoenaed Luna, who worked as Trump’s body man in the West Wing, in November 2021. He was allowed a brief postponement in December but had previously met with the committee prior to his virtual appearance on Monday.

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According to the panel, Luna was with the former president on January 6 and was nearby when Trump contacted former Vice President Mike Pence that morning and asked him not to certify the 2020 election results.

A spokeswoman for the committee declined to comment on hearing schedules, reported ABC News.

Luna, during his tenure at the White House, was one of Trump’s body men and would run the Oval Office operations for the White House.

The panel already has direct knowledge of Trump’s phone call with Pence on January 6 from retired Lt. Gen. Keith Kellogg, Pence’s national security adviser.

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Considering how many contacts Luna had with Trump that day, Luna’s testimony to the committee could give more information on Trump’s mental condition at the time.

The committee argued in a recent legal filing, citing interview transcripts, official records, and emails, that Trump was repeatedly told by aides and allies that he had lost the election, and that he was knowingly spreading unsupported claims of fraud – an accusation that could have implications for a future criminal case against Trump.

The committee has conducted over 600 interviews and issued over 75 subpoenas since last year, questioning additional White House personnel and acquiring thousands of pages of Trump White House materials on a rolling basis.

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Committee Chairman Bennie Thompson recently told reporters that the panel hopes to complete its interviews with potential witnesses in the coming weeks and that another round of public hearings may begin as early as May.