The next administration (if there is one) should force Musk to take random drug tests and revoke his ability to run SpaceX on failure. I think we'd get to the bottom of what's going on rather quickly if he didn't have the opportunity to cheat on them.
I’m sure there could be some argument to be made for obstruction of justice considering he oversaw the firing/dissolution of agencies and people investigating his dealings. Plus wherever those investigations lead.
