Rule 6. Grand Jury Rules

(a) The chief judge of the district court in each county or a judge designated by him may order a grand jury summoned where authorized by law or required by the public interest.

(b) The grand jury shall hear witnesses as may be determined by the grand jury and 47 Grand Jury Rules Rule 6 may find an indictment on the sworn testimony of one witness only, except in cases of perjury, when at least two witnesses to the same fact shall be necessary. An indictment may also be found upon the information of two of their own body.

(c) The foreman of the grand jury may swear or affirm all witnesses who may come before the grand jury.