The "facts" appear flimsy.  Exxon produced documents responsive to the request that came from this email account, so it's not apparent that anything is being hidden.  The prosecutor acknowledges that the account was used for other purposes besides climate change issues...It looks like there may not be anything sinister going on--but the prosecutor had to justify his work somehow for this hyper-partisan witch hunt that so far hasn't turned up anything useful, much less criminal.