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DEFINITION OF INVESTIGATION: SECNAVINST 5430.57H (Mission and Functions of the Naval Inspector General) defines an investigation as "any form of examination into specific allegations of wrongdoing or misconduct."
POLICY FOR CONDUCT OF INVESTIGATIONS: "The DoN shall strive to maintain the highest level of readiness, effectiveness, discipline, efficiency, integrity, and public confidence. Candid, objective, and uninhibited internal analysis of the management, operation, and administration of DoN is essential to achieve this objective. All inquiries into matters affecting the integrity, efficiency, discipline and readiness of the DoN shall be conducted in an independent and professional manner, without command influence, pressure, or fear of reprisal from any level within DoN. All non-frivolous allegations of misconduct shall be thoroughly and impartially investigated and reported."
AUTHORITY FOR INVESTIGATIONS:
MATTERS APPROPRIATE FOR INVESTIGATION:
MATTERS INAPPROPRIATE FOR IG INVESTIGATION:
MAJOR INVESTIGATION DEFINITIONS:
All Echelon II IG (includes BUPERS and field components) organizations assigned additional duty to the Naval Inspector General pursuant to SECNAVINST 5430.57F, "Mission and Functions of the Naval Inspector General," shall use this manual as guidance for IG investigations they conduct. In addition, this manual shall serve as guidance for all investigations, at any level, conducted at the direction of the Naval Inspector General. All other organizations and personnel conducting IG investigations are encouraged to adhere to the guidelines in this manual.