Department of Defense Directive 5505.06: Investigations of Allegations against Senior Officials of the Department of Defense, April 10, 2006 [Certified Current as of September 17, 2010; Incorporating Change 1, September 17, 2010] [open pdf - 61KB]
This Department of Defense (DoD) Directive reissues and updates DOD Directive 5505.06 according to "Appendix 2 of title 5, United States Code, 'Inspector General Act of 1978,' as amended" and "DoD Directive 5106.01, 'Inspector General of the Department of Defense,' April 13, 2006." It also "Establishes policy and assigns responsibilities for reporting and investigating allegations of misconduct against senior officials of the Department of Defense."
DoD Directive 5505.06; DoDD 5505.06
Defense Technical Information Center (DTIC): http://www.dtic.mil/dtic/