2013 Arizona Laws 13-4904. Detention authority; armed nuclear security guards
A. An armed nuclear security guard, with reasonable belief, may detain in or on a commercial nuclear generating station or a structure or fenced yard of a commercial nuclear generating station in a reasonable manner and for a reasonable time any person who is suspected of committing or attempting to commit manslaughter under section 13-1103, second or first degree murder under section 13-1104 or 13-1105, aggravated assault under section 13-1204, subsection A, paragraph 1 or 2, kidnapping under section 13-1304, burglary in the second or first degree under section 13-1507 or 13-1508, criminal damage under section 13-1602, subsection A, paragraph 3 and subsection B, paragraph 1 or 2, arson of a structure or property under section 13-1703, arson of an occupied structure under section 13-1704, armed robbery under section 13-1904, an act of terrorism under section 13-2308.01, misconduct involving weapons under section 13-3102, subsection A, paragraph 13 or criminal trespass on a commercial nuclear generating station under section 13-4902 for the purpose of summoning a law enforcement officer.
B. Reasonable belief of an armed nuclear security guard is a defense to a civil or criminal action against an armed nuclear security guard for false arrest, false or unlawful imprisonment or wrongful detention.