Office of National Security Intelligence ONSI Büro für nationale Sicherheitsintelligenz Office of National Security Intelligence Oficina de Inteligencia de Seguridad Nacional Oficina de Inteligencia de Seguridad Nacional Bureau du renseignement de sécurité nationale משרד המודיעין לביטחון לאומי राष्ट्रीय सुरक्षा खुफिया ब्यूरो 国家安全情報局 Escritório de Inteligência de Segurança Nacional 国家安全情报办公室 ONSI Office of National Security Intelligence The Office of National Security Intelligence of the United States Drug Enforcement Administration (DEA) helps initiate new investigations of major drug organizations, strengthens ongoing ones and subsequent prosecutions, develops information that leads to seizures and arrests, and provides policy makers with illegal drug trade trend information upon which programmatic decisions can be based.