How is he free and the others languish in a DC jail?
Epps is a fed.
Because J6 was one giant, pure evil, set up designed to prevent Congress from properly reviewing the electoral vote and voting on a motion to refer some of the disputes back to the states. Also because it was a deliberate effort by Biden and his accomplices to make the prospect of demonstrating against him so terrifying that nobody would do it. Sadly, it worked.