Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Centro de Información de Seguridad Nacional (also known as CISEN or, in English, Center for Research on National Security) was the primary intelligence agency of Mexico. (CTU Operations Manual)