“This primer by Seth Abramson also explains, in detail, how and why the attack on the Capitol occurred. The Department of Justice calls the FBI investigation into the January 6 assault on the United States Capitol one of the largest criminal probes in American history. One of the reasons the investigation is so historically vast and complex is that it encompasses five discrete yet overlapping classes of potential criminal defendants. This article details those five classes, establishes the key intersections between each, identifies a small number of key events in the lead-up to the insurrection, and presents an overarching narrative—confirmed by both testimonial and documentary evidence—of how the insurrection occurred…”