Hearings, hell appoint a “select committee” and put only R’s and brain-dead D’s on it like the old rip did for the J6.
Now you’re talking. Also bring in some heavyweight Hollywood producers to make a huge glitzy production with a huge 25 foot screen behind the row of Congress critters. They could play the security video over and over, zoom in on blown up critical details, do super slo-mo. Some sophisticated CGI to show exactly what happened. About 50 witnesses should do the trick with $50 million and it lasting for over a year.
In prime time with Disney producing the event.