An *employee” may use the 5th to not incriminate themselves of criminal wrongdoing. That said, the ‘free press’ gives us the right to investigate all publicly owned information to hold *government* accountable. If the 5th is used to shield the *government* activities then that person should be held in contempt. They have no right to keep government activities silent.
The very act of doing so should be cause for a larger investigation.
That’s a good question. Leave it to our renegades to bring it up. Reagan talked that way from time to time. Raise eyebrows.