Nevada Revised Statutes Title 20. Counties and Townships: Formation, Government and Officers § 248.210. Duties concerning riotous assembly; penalty

1. When six or more persons, whether armed or not, shall be unlawfully or riotously assembled in any city or town, the sheriff of the county and the sheriff’s deputies shall go among the persons so assembled, or as near as possible, and shall command them, in the name of the people of the United States and the State of Nevada, to disperse immediately.

2. If the persons assembled do not immediately disperse, the sheriff and the sheriff’s deputies shall arrest them that they may be punished according to law, and for that purpose may command the aid of all persons present or within the county.

3. If a sheriff or the sheriff’s deputies, having notice of an unlawful or riotous assembly, as provided in subsection 1, neglect or refuse to proceed to the place of assembly, or as near thereto as he or she can with safety, and to exercise the authority with which he or she is invested for suppressing the same and arresting the offenders, he or she shall be deemed guilty of a misdemeanor, and shall be punished accordingly.