What does ISD mean in FBI Files?

This page is about the meanings of the acronym/abbreviation/shorthand ISD in the Governmental field in general and in the FBI Files terminology in particular.

Internal Security Division

Governmental » FBI Files


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"ISD." Abbreviations.com. STANDS4 LLC, 2015. Web. 2 Aug. 2015. <http://www.abbreviations.com/term/379995>.