Centro de Investigación y Seguridad Nacional (México)
（重定向自CISEN）
The Centro de Investigación y Seguridad Nacional (English:Center for Research and National Security (CISEN) is a Mexican intelligence agency controlled by the Secretary of Interior (Secretario de Gobernación). CISEN was established in 1989 after its predecessors ceased to operate. Although the National Security Act considers the Center as the main security agency, the Navy, Army, Air Force and the Office of the Attorney General maintain intelligence bodies dedicated to assists the functions of each one.