21st Century Law Enforcement Security and Surveillance for Large Events October 2, 2017 Posted by: Moise Louissaint Category: Event Security News, Misc. Security No Comments //www.officer.com/command-hq/technology/security-surveillance/article/12358735/21st-century-law-enforcement-security-and-surveillance-for-large-events On – 19 Sep, 2017 By