If the trials for the people who went into the Capitol are held in Washington DC, they may as well not bother with the trial. DC votes Dem about 95 to 5. Considering that these are Political trials, perhaps their lawyers should ask for a change of venue.
With the locations of folks they are arresting, it sounds like they are leaving them closer to home for holding and trial. They would probably not want to have that large of a case load in one court at one time — speedy trial and all that...