The goal is to present the Senate with fresh evidence that reveals what Trump knew in advance of the Jan. 6 rampage at the Capitol, as well as how his words and actions influenced those who participated. The rioting left five dead, including one member of the U.S. Capitol Police. In addition, two officers, one with the D.C. Police Department, have since died by suicide.

The effort to present new video evidence and witness testimony appears designed to make Republican senators as uncomfortable as possible as they prepare to vote to acquit Trump, as most have indicated they will do. The prospect of injured police officers describing the brutality of pro-Trump rioters to Republicans who regularly present themselves as advocates of law enforcement could make for an extraordinary, nationally televised scene…

“Our goal is conviction,” said one person working on strategy with the House impeachment managers, referencing a House Republican from Wyoming who voted with Democrats to impeach Trump. “What story are we going to tell to get there? We are going to describe what happened as summarized by Liz Cheney when she announced her support for Trump’s impeachment: ‘He summoned the mob, assembled the mob, and lit the flame of this attack.’ ’’

House Democrats are assuming they will be permitted to play a compilation of footage from Jan. 6, including newly released cellphone recordings of protesters attending Trump’s “Stop the Steal” rally that morning, said these individuals, who spoke on the condition of anonymity to discuss private conversations. The compilation will also likely feature footage from inside the Capitol after protesters breached it.