Federal Bureau of what?

Part of immunity deals granted to Clinton staffers in the State Department includes destruction of their electronic devices.  Because by no means is it possible that these people would have incriminating information about their former boss there, it being completely impossible that they would have any communication from her.

If you doubt that the Obama administration in particular, and Democrats in general, do a great job covering up for the crimes they commit, see above.  It is as if the FBI needs to be renamed the "Federal Bureau of Obstruction of Justice".