ProPublica has obtained new details about the Trump White House’s knowledge of the gathering storm, after interviewing more than 50 people involved in the events of Jan. 6 and reviewing months of private correspondence. Taken together, these accounts suggest that senior Trump aides had been warned the Jan. 6 events could turn chaotic, with tens of thousands of people potentially overwhelming ill-prepared law enforcement officials. Rather than trying to halt the march, Trump and his allies accommodated its leaders, according to text messages and interviews with Republican operatives and officials. Katrina Pierson, a former Trump campaign official assigned by the White House to take charge of the rally planning, helped arrange a deal where those organizers deemed too extreme to speak at the Ellipse could do so on the night of Jan. 5. That event ended up including incendiary speeches from Jones and Ali Alexander, the leader of Stop the Steal, who fired up his followers with a chant of “Victory or death!” The record of what White House officials knew about Jan. 6 and when they knew it remains incomplete. Key officials, including White House Chief of Staff Mark Meadows, declined to be interviewed for this story.