Some background from 2021, as explained by
DIA:
Aug. 25, 2021
DIA celebrates intelligence oversight principlesBy DIA Public Affairs
Joint Base Anacostia-Bolling –
The Defense Intelligence Agency recently celebrated the fifth anniversary of one of the Defense Department’s most consequential policy documents — the revised Department of Defense Manual 5240.01, “Procedures Governing the Conduct of DoD Intelligence Activities.”
DoDM 5240.01 ensures DIA personnel do not infringe on the privacy rights of U.S. persons and conduct their activities within legal and constitutional frameworks, as established by DoD Directive 5240.01 and Executive Order 12333, which authorize DoD intelligence components to collect, retain and disseminate information about U.S. persons. Importantly, these documents provide an oversight mechanism, which strike a balance between the need for essential information and the constitutional rights of all U.S persons. ...