AR Code § 25-17-305 (2020)
2020 Arkansas Code|Title 25 - State Government|Chapter 17 - Management Of State Institutions|Subchapter 3 - Regulation of Property|§ 25-17-305. Institutional law enforcement officer's duties and powers

 (a) An institutional law enforcement officer appointed under the authority of § 25-17-304, except to the extent otherwise limited by the executive head of the state institution or department appointing him or her, shall protect property, preserve and maintain proper order and decorum, prevent unlawful assemblies and disorderly conduct, exclude and eject persons detrimental to the well-being of the institution, prevent trespass, and regulate the operation and parking of motor vehicles upon and in all of the grounds, buildings, improvements, streets, alleys, and sidewalks under the control of the institution employing him or her, which is the institutional law enforcement officer's primary jurisdiction.  (b)  (1) An institutional law enforcement officer shall have and exercise police supervision on behalf of the institution and as a law enforcement officer may arrest any person upon or in the institutional law enforcement officer's primary jurisdiction who is committing an offense against any law of the State of Arkansas or against the ordinances of the city in which the institution is located and may deliver that person before any court of competent jurisdiction to be dealt with according to law.  (2) An institutional law enforcement officer may summon a posse comitatus if necessary.    (c) An institutional law enforcement officer may make an arrest for an offense against any law of the State of Arkansas outside his or her primary jurisdiction if the officer:  (1) Is summoned by another law enforcement agency to provide assistance;  (2) Is assisting another law enforcement agency;  (3)  (A) Is traveling to or from any location in the state on official business.  (B) Official business includes, but is not limited to:  (i) Engaging in intelligence-gathering activity relating to security on the grounds, buildings, improvements, streets, alleys, and sidewalks under the control of the institution employing him or her;  (ii) Investigating a crime committed on the grounds, buildings, improvements, streets, alleys, and sidewalks under the control of the institution employing him or her;  (iii) Transporting money, valuables, securities, or other valuables on behalf of the institution;  (iv) Providing security or protective services for officials or visiting dignitaries to the institution; or  (v) The continuous and immediate pursuit of a person for an offense committed on the grounds, buildings, improvements, streets, alleys, and sidewalks under the control of the institution employing him or her, or in the officer's view.        (d)  (1) When an arrest is made outside the institutional law enforcement officer's primary jurisdiction, the law enforcement agency with jurisdiction will be notified promptly and a written report forwarded to the agency no later than the next working day.  (2) The agency having jurisdiction may choose to take over the investigation or allow the institution or department law enforcement officer to bring the person before a court of competent jurisdiction to be dealt with according to law.