The House select committee has used the August congressional recess to delve into discussions inside former President Donald J. Trump’s cabinet about removing him from office after the riot.
The Democrat from Maryland has been delving into the rising threat of white nationalism and white supremacy for five years. He will lead the inquiry’s hearing on the subject on Tuesday.
Cassidy Hutchinson, the former White House aide, testified that the former president directed his chief of staff to reach out to Michael Flynn and Roger Stone, who had ties to the Oath Keepers and the Proud Boys.
The roster of participants highlights how Mr. Stone, the pro-Trump political operative, was involved with a strikingly large number of people who sought to overturn the 2020 election.