Wyo. Stat. § 7-5-203: Right of district attorney to appear before jury; presence of other persons during deliberations.

(a) The district attorney, or the deputy or assistant district attorney may appear before the grand jury for the purpose of:

(i) Giving information relative to any matter under inquiry;

(ii) Giving requested advice upon any legal matter; and

(iii) Interrogating witnesses.

(b) No person other than the grand jurors shall be present during the deliberations of the grand jury or when the jurors are voting.