Wyo. Stat. Ann. § 7-11-205
(a) If a jury is discharged for any of the following reasons before reaching a verdict, the discharge shall be without prejudice to the prosecution:
(i) Sickness of a juror or other accident or calamity requiring discharge of the jury;
(ii) Failure of the jury to return a verdict; or
(iii) Dismissal of the proceeding due to a failure of the complaint, information or indictment to properly charge the offense.