NRS 212.110: Custodian permitting escape.

A person who willfully allows a prisoner lawfully in the custody of the person to escape, or connives at or assists such an escape, or willfully omits any act or duty by reason of which an escape is occasioned, contributed to or assisted, is guilty of a category B felony and shall, if the person connives at or assists the escape, be punished by imprisonment in the state prison for a minimum term of not less than 1 year and a maximum term of not more than 6 years, and may be further punished by a fine of not more than $10,000, and in any other case, is guilty of a gross misdemeanor.