Jose Luis Magana/AP
Documents show how the Department of Homeland Security prepared before the January 6 Capitol attack.
Law-enforcement officials tracked protesters on social media and monitored hotel bookings.
They said domestic extremists would likely motivate followers to promote violence.
Three days before the January 6 attack on the US Capitol, officials at the Department of Homeland Security were already tracking which hotels had been booked up for the night before backers of President Donald Trump were expected to gather in Washington, DC, to protest Congress certification of the 2020 Electoral College votes. Numerous protests permits have been approved by the US Park Police and several Hotels are sold out during the nights of the 5th/6th, said an internal DHS email obtained by Insider under the Freedom of Information Act. The hotels included the Hotel Harrington, the Holiday Inn in Alexandria, Virginia, and the Hyatt Place, according