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ISB Investigations is the Bureau's principal case-building branch. It turns security reporting into tested findings, identifies responsible persons and networks, and prepares evidence for operational action or lawful prosecution.
A case requires an articulated security predicate, recorded source information, and supervisory approval proportionate to its sensitivity. Investigators seek judicial process where required, preserve chains of custody, and record exculpatory as well as incriminating evidence.
Completed cases may be closed as unfounded, retained for intelligence purposes under review, referred for administrative action, or submitted to the Ministry of Justice or competent military authority. Investigators do not determine guilt or sentence subjects.
The Associate Director of Investigations establishes standards and assigns major cases through Central Command. Complex inquiries use a named case officer and lead agency so that parallel Imperial bodies do not compromise evidence or unknowingly investigate one another.