It will actually make his case worse as there will be a trail of him trying to destroy evidence. He knows this. He knew the game was up the minute he was recalled from his ambassadorship. In fact, he knew before then - I’m pretty sure it’s partly why he was so authentically gung-ho about Trump. He wasn’t faking those smiles in the Oval Office. He thought he’d be able to get this stuff buried once and for all post-Maxwell.