Here's the back-drop for the on-going saga -- about how much "private business" can someone conduct, when acting {off-line and through back-channels} in the capacity of one of America's most powerful "public servants" ...

from realclearpolitics.com -- August 10, 2016

The second of planned Judicial Watch depositions, carried out under the order of Judge Sullivan, involving Clinton chief-of-staff Cheryl Mills was taken on May 27, 2016--under oath (penalty of perjury). Ms. Mills, herself a lawyer had an assemblage of her own attorneys. This stuff ain't cheap; I wonder who is footing the bill here for respondent's legal fees--it is probably us, we the people, because the named defendant in this proceeding is the U.S. Department of State.

Now that the FBI has moved from their fact-finding mission regarding the use of a private server for Clinton's communications while Secretary of State, and the resulting discovery of top secret information found on it, the U.S. State Department has suspended their internal review so as not to conflict with the ongoing criminal investigation.