Are you sure you understand the difference between ‘trial’ jury and Grand Jury?
Although have never had the bad luck to be picked for a Grand jury, I have doubts that “voir dire” is used in picking who goes on Grand Jury.
Good information and facts are your friend. Heresay and BS do not further anyone’s cause.
Well they just gave every one that may be “billed” a prima facia cause to have the case thrown out or appealed.