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. counterterrorism, counterintelligence, and criminal investigative organization, the FBI has jurisdiction over violations of more than 200 categories of federal crimes.
Counterintelligence (counter-intelligence) or counterespionage (counter-espionage) is any 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.
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 attacks in 2001, 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 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 Navy and Marine Corps, though its broad mandate includes national security, counterintelligence, counterterrorism, cyberwarfare, and the protection of U.S. naval assets worldwide. 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 National Security Branch (NSB) is a service within the Federal Bureau of Investigation. The NSB is responsible for protecting the United States from weapons of mass destruction, acts of terrorism, and foreign intelligence operations and espionage. The NSB accomplishes its mission by investigating national security threats, providing information and analysis to other law enforcement agencies, and developing capabilities to keep the US nation secure.
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.
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.
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 902nd Military Intelligence Group was a brigade-sized unit of the United States Army that operated under the command of the United States Army Intelligence and Security Command. Its primary focus was counterintelligence. The headquarters of the unit were located at Fort Meade, Maryland.
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 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.
The Criminal Investigative Division (CID) is a division within the Criminal, Cyber, Response, and Services Branch of the Federal Bureau of Investigation. The CID is the primary component within the FBI responsible for overseeing FBI investigations of traditional crimes such as narcotics trafficking and violent crime.
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.
Edward William Priestap, also known as Bill Priestap is an American attorney and United States intelligence official. He was the assistant director of the FBI Counterintelligence Division from 2015 to 2018.
