Department of Defense Instruction 2000.26: Suspicious Activity Reporting, November 1, 2011 [open pdf - 118KB]
"This Instruction: a. In accordance with the authority in DoD [Department of Defense] Directive 5111.1 (Reference (a)) and Deputy Secretary of Defense Memorandum (Reference (b)), establishes DoD policy, assigns responsibilities, and prescribes procedures for the documentation, storage, and exchange of suspicious activity reports (SAR) through law enforcement channels to improve the protection of DoD personnel, facilities, and forces in transit. b. Delegates authorities for the effective administration of this policy. c. Supersedes and cancels Directive-Type Memorandum 10-018 (Reference (c)). d. Implements the Secretary of Defense Memorandum (Reference (d)) establishing the eGuardian system to serve as the DoD law enforcement SAR system."
DoD Instruction 2000.26; DoDI 2000.26