Wyo. Stat. § 18-3-606: Duty to preserve peace.

Each county sheriff and deputy shall preserve the peace in the respective counties and suppress all affrays, riots, unlawful assemblies and insurrections. Each sheriff or deputy sheriff may call upon any person to assist in performing these duties or for the service of process in civil and criminal cases or for the apprehension or securing of any person for felony or breach of peace.