That a grand jury shall consist of twelve citizens, any nine of whom concurring may
find an indictment or a true bill: Provided, that no grand jury shall be convened except
upon an order of a judge of a court having the power to try and determine felonies;
but when so assembled such grand jury shall have power to investigate and return
indictments for all character and grades of crime; and that the power of grand juries to
inquire into the willful misconduct in office of public officers, and to find indictments
in connection therewith, shall never be suspended.
Structure Missouri constitution