The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, the FBI is also a member of the U.S. Intelligence Community and reports to both the Attorney General and the Director of National Intelligence. A leading U.S. counter-terrorism, counterintelligence, and criminal investigative organization, the FBI has jurisdiction over violations of more than 200 categories of federal crimes.
Counterintelligence is an activity aimed at protecting an agency's intelligence program from an opposition's intelligence service. It includes gathering information and conducting activities to prevent espionage, sabotage, assassinations or other intelligence activities conducted by, for, or on behalf of foreign powers, organizations or persons.
An intelligence officer is a person employed by an organization to collect, compile or analyze information which is of use to that organization. The word of officer is a working title, not a rank, used in the same way a "police officer" can also be a sergeant, or in the military, in which non-commissioned personnel may serve as intelligence officers.
The Counterterrorism Division (CTD) is a division of the National Security Branch of the Federal Bureau of Investigation. CTD investigates terrorist threats inside the United States, provides information on terrorists outside the country, and tracks known terrorists worldwide. In the wake of the September 11, 2001 attacks, CTD's funding and manpower have significantly increased.
Dale L. Watson is the former assistant director for the Counterterrorism Division of the FBI, as such he headed the FBI investigation into the September 11, 2001 attacks and the 2001 anthrax attacks.
The Bureau of Intelligence and Research (INR) is an intelligence agency in the United States Department of State. Its central mission is to provide all-source intelligence and analysis in support of U.S. diplomacy and foreign policy. INR is the oldest civilian element of the U.S. Intelligence Community and among the smallest, with roughly 300 personnel. Though lacking the resources and technology of other U.S. intelligence agencies, it is "one of the most highly regarded" for the quality of its work.
The United States Naval Criminal Investigative Service (NCIS) is the primary law enforcement agency of the U.S. Department of the Navy. Its primary function is to investigate criminal activities involving the U.S. Navy and U.S. Marine Corps, though its broad mandate includes national security, counterintelligence, counter-terrorism, cyber warfare, and the protection of U.S. naval assets worldwide. The agency acts as internal affairs for the U.S Navy. NCIS is the successor organization to the former Naval Investigative Service (NIS), which was established by the Office of Naval Intelligence after the Second World War.
The Bureau of Diplomatic Security, commonly known as Diplomatic Security (DS), is the security branch of the United States Department of State. It conducts international investigations, threat analysis, cyber security, counterterrorism, and protection of people, property, and information. Its mission is to provide a safe and secure environment for officials to execute the foreign policy of the United States.
The United States Department of Justice National Security Division (NSD) handles national security functions of the department. Created by the 2005 USA PATRIOT Act reauthorization, the division consolidated all of the department's national security and intelligence functions into a single division. The division is headed by the Assistant Attorney General for National Security.
Willie T. Hulon was the executive assistant director of the National Security Branch of the Federal Bureau of Investigation (FBI) until January 11, 2008. He was succeeded by Arthur M. Cummings, II.
The counter-terrorism page primarily deals with special police or military organizations that carry out arrest or direct combat with terrorists. This page deals with the other aspects of counter-terrorism:
Joseph M. Demarest, Jr. is an associate executive assistant director of the Federal Bureau of Investigation (FBI), and was formerly the assistant director in charge of the FBI's cyber division. He is responsible for the FBI's operations to protect the United States from cyber-based national security threats.
The Domestic Emergency Support Team (DEST) is a rapidly deployable, interagency team of experts within the United States government, staffed from the Federal Bureau of Investigation (FBI), the Federal Emergency Management Agency (FEMA), the Department of Defense (DoD), the Department of Energy (DOE), the Department of Health and Human Services (HHS), and the Environmental Protection Agency (EPA). The DEST provides guidance to the FBI Special Agent in Charge (SAC) concerning weapons of mass destruction (WMD) threats and actual incidents/attacks.
Gordon M. Snow was an Assistant Director of the FBI over the Cyber Division through 2012, the FBI Director of Counterintelligence for the Middle East in 2001, and currently directs Global Security Operations for Cleveland Clinic.
The Criminal, Cyber, Response, and Services Branch (CCRSB) is a service within the Federal Bureau of Investigation (FBI). The CCRSB is responsible for investigating financial crime, white-collar crime, violent crime, organized crime, public corruption, violations of individual civil rights, and drug-related crime. In addition, the Branch also oversees all computer-based crime related to counterterrorism, counterintelligence, and criminal threats against the United States.
The Counterintelligence Division (CD) is a division of the National Security Branch of the Federal Bureau of Investigation. The division protects the United States against foreign intelligence operations and espionage. It accomplishes its mission of hunting spies and preventing espionage through the use of investigation and interaction with local law enforcement and other members of the United States Intelligence Community. In the wake of the September 11, 2001 attacks, the division's funding and manpower have significantly increased.
The Intelligence Branch (IB) division of the Federal Bureau of Investigation (FBI) handles all intelligence functions, including information sharing policies and intelligence analysis for national security, homeland security, and law enforcement purposes. The IB operates through the use of embedded intelligence strategies.
The Weapons of Mass Destruction Directorate (WMDD) is a division of the National Security Branch of the Federal Bureau of Investigation. WMDD addresses and investigates emerging threats the United States faces from the use of weapons of mass destruction. WMDD specifically consolidates all relevant FBI assets under one comprehensive program capable of detecting, deterring, and dismantling WMD programs. In the wake of the September 11, 2001 attacks, the Division's funding and manpower have significantly increased.
Sean M. Joyce was the 14th Deputy Director of the Federal Bureau of Investigation.
William R. Evanina is an American national security official who served as director of the United States National Counterintelligence and Security Center (NCSC) until his January 2021 resignation. As director of the NCSC he was the head of national counterintelligence for the U.S. Government. Evanina previously served as director of the Office of the national counterintelligence executive (ONCIX) before it transitioned into the NCSC. Prior to his service as national counterintelligence executive, he was the chief of the Counterespionage Group for the Central Intelligence Agency. He gained his initial law enforcement experience as a special agent for the Federal Bureau of Investigation.
