We analyzed, minute by minute, the crucial two-hour period during which a Trump rally to stop the certification of the election results gave way to a mob that nearly came face to face with Congress. Here’s what we found: https://t.co/HSsHQLiEpp

As President Trump prepares to speak near the White House, his loyalists are already gathering at the Capitol. Inside, Congress prepares for proceedings to certify the Electoral College vote. Putting these timelines together shows the urgency of the situation.

For weeks, Trump had urged his supporters to go to D.C. to stop the certification of election results. Several simultaneous rallies are planned, including the “wild rally” on the Capitol lawn, as this supporter-made map shows.

It’s 11:50 a.m. A group of Proud Boys is staging on the east side of Capitol, along with hundreds of Trump supporters. Photo credit: Amanda Andrade-Rhoades/For The Washington Post via Getty Images.

More than a mile away, at 11:52 a.m., Donald Trump Jr. films the president and his inner circle backstage before his father’s speech, marveling at the size of the crowd.