Nev. Rev. Stat. § 33.550

1. High-risk behavior occurs when a person: (a) Uses, attempts to use or threatens the use of physical force against another person; (b) Communicates a threat of imminent violence toward himself or herself or against another person; (c) Commits an act of violence directed toward himself or herself or another person; (d) Engages in a pattern of threats of violence or acts of violence against himself or herself or another person, including, without limitation, threats of violence or acts of violence that have caused another person to be in reasonable fear of physical harm to himself or herself; (e) Exhibits conduct which a law enforcement officer reasonably determines would present a serious and imminent threat to the safety of the public; (f) Engages in conduct which presents a danger to himself or herself or another person while: (1) In possession, custody or control of a firearm; or (2) Purchasing or otherwise acquiring a firearm; (g) Abuses a controlled substance or alcohol while engaging in high-risk behavior as described in this section; or (h) Acquires a firearm or other deadly weapon within the immediately preceding 6 months before the person otherwise engages in high-risk behavior as described in this section.

2. For the purposes of this section, a person shall be deemed to engage in high-risk behavior if he or she has previously been convicted of: (a) Violating a temporary or extended order for protection against domestic violence issued pursuant to NRS 33.020 ; (b) Violating a temporary or extended order for protection against sexual assault issued pursuant to NRS 200.378 ; or (c) A crime of violence, as defined in NRS 200.408 , punishable as a felony.