Department of Defense Instruction 2000.26: Suspicious Activity Reporting (SAR), September 23, 2014 [Incorporating Change 1, May 12, 2017] [open pdf - 184KB]
"It is DoD policy that: [a.] The eGuardian system will serve as the exclusive DoD unclassified LE [law enforcement] SAR [suspicious activity reporting] system and will be employed by DoD LEOs [law enforcement officers], antiterrorism operations personnel, planners, analysts supporting an LE mission, and contractors assigned, attached, or detailed to LEAs [law enforcement agencies]. [b.] SARs and other threat information guide DoD efforts in force protection to: (1) Identify and address threats to the DoD at the earliest opportunity. (2) Implement information-driven and risk-based detection, prevention, deterrence, response, and protection efforts immediately. (3) Identify persons involved in terrorism, criminal-related activities, and threats directed against the DoD. (4) Assist commanders by providing and using criminal intelligence when establishing appropriate force protection conditions in accordance with DoDI 5525.18 (Reference (d))."
Department of Defense Instruction 2000.26; DoDI 2000.26
Defense Technical Information Center (DTIC): http://www.dtic.mil/