This is happening to all of them. Timing is key.
https://www.npr.org/2018/09/06/645308583/grand-jury-looking-into-case-of-ex-fbi-deputy-director-andrew-mccabe
Read the crumb.
Checked. Sauced it is.
Indictments remain sealed until the time of the prosecutor's choosing in order to preserve other cases and in order to facilitate arrests.