The arrests and indictments in the Jan. 6 insurrection at the U.S. Capitol are now up to 257 and counting. And as they continue to mount and the evidence in these cases becomes public, we’re starting to get a clearer picture of what happened that day—both the larger picture of who participated in the assault, as well the more detailed story of how they conspired to make their invasion plans work. George Washington University’s Program on Extremism compiled data from all 257 cases and assembled a detailed analysis of the event based largely on information from the court filings.