The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. An agency of the United States Department of Justice, the FBI is 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.
The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice. Its responsibilities include the investigation and prevention of federal offenses involving the unlawful use, manufacture, and possession of firearms and explosives; acts of arson and bombings; and illegal trafficking and tax evasion of alcohol and tobacco products. The ATF also regulates via licensing the sale, possession, and transportation of firearms, ammunition, and explosives in interstate commerce. Many of the ATF's activities are carried out in conjunction with task forces made up of state and local law enforcement officers, such as Project Safe Neighborhoods. The ATF operates a unique fire research laboratory in Beltsville, Maryland, where full-scale mock-ups of criminal arson can be reconstructed. The ATF had 5,285 employees and an annual budget of almost $1.5 billion in 2021. The ATF has received criticism over its handling of the Ruby Ridge siege, the Waco siege and other incidents.
In the United States, a special agent is an official title used to refer to certain investigators or detectives of federal, military, tribal, or state agencies who primarily serve in criminal investigatory positions. Additionally, some special agents operate in criminal intelligence, counterterrorism, or counterintelligence-based roles as well, with one or all of these roles occasionally taking precedence over criminal investigatory tasks.
The United States attorney for the Southern District of New York is the chief federal law enforcement officer in eight contiguous New York counties: the counties of New York (Manhattan) and Bronx, and the counties of Westchester, Putnam, Rockland, Orange, Dutchess, and Sullivan. Established by the Judiciary Act of 1789, the office represents the United States government in criminal and civil cases across the country. The SDNY handles a broad array of cases, including but not limited to those involving white collar crime, domestic terrorism, cybercrime, public corruption, organized crime, and civil rights disputes.
Melvin Horace Purvis II was an FBI agent instrumental in capturing bank robbers John Dillinger and Pretty Boy Floyd in 1934. All of this would later overshadow his military career which saw him directly involved with General George Patton, Hermann Göring, and the Nuremberg Trials.
The United States Naval Criminal Investigative Service (NCIS) is the primary investigative law enforcement agency of the U.S. Department of the Navy. Its primary function is to investigate major 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 Department of Public Safety of the State of Texas, commonly known as the Texas Department of Public Safety (DPS), is a department of the state government of Texas. The DPS is responsible for statewide law enforcement and driver license administration. The Public Safety Commission oversees the DPS. However, under state law, the Governor of Texas may assume command of the department during a public disaster, riot, insurrection, formation of a dangerous resistance to enforcement of law, or to perform his constitutional duty to enforce law. The commission's five members are appointed by the governor and confirmed by the Texas Senate, to serve without pay for staggered, six-year terms. The commission formulates plans and policies for enforcing criminal, traffic and safety laws, preventing and detecting crime, apprehending law violators, and educating citizens about laws and public safety.
The Diplomatic Security Service (DSS) is the principal law enforcement and security agency of the United States Department of State (DOS). As the operational division of DOS Bureau of Diplomatic Security, its primary mission is to provide security to protect diplomatic assets, personnel, and information, and combat transnational crimes connected to visa and passport fraud. DSS also conducts counterterrorism, counterintelligence, cybersecurity and criminal investigations domestically and abroad.
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.
Mark Gwyn is an American law enforcement officer. He is the former director of the Tennessee Bureau of Investigation (TBI). He is eighth director in the agency's history and the first African American to serve in this capacity.
The North Carolina State Bureau of Investigation (SBI) is a state-level law enforcement agency in North Carolina.
The California Department of Justice is a statewide investigative law enforcement agency and legal department of the California executive branch under the elected leadership of the Attorney General of California (AG) which carries out complex criminal and civil investigations, prosecutions, and other legal services throughout the US State of California. The department is equivalent to the state bureaus of investigation in other states.
Mark A. Morgan is an American law enforcement official who served as the Chief Operating Officer and acting Commissioner of U.S. Customs and Border Protection from July 5, 2019, to January 20, 2021.
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 Science and Technology Branch (STB) is a service within the Federal Bureau of Investigation that comprises three separate divisions and three program offices. The goal when it was founded in July 2006 was to centralize the leadership and management of the three divisions. The mission of the STB is discover, develop, and deliver innovative science and technology so that intelligence and innovative investigation is enhanced.
The South Carolina Law Enforcement Division (SLED) is a statewide investigative law enforcement agency in South Carolina. SLED provides manpower and technical assistance to other law enforcement agencies and conducts investigations on behalf of the state as directed by the Governor and Attorney General. SLED Headquarters is located in the state capital, Columbia, with offices in the Midlands, Piedmont, Pee Dee, and Low Country regions.
James Keith Kallstrom, a.k.a. Jim Kallstrom, was an American Federal Bureau of Investigation (FBI) agent who served as assistant director in charge of its field office in New York. He was noted for heading the criminal investigation into the TWA Flight 800 crash in 1996.
Robert A. Ricks — known as Bob Ricks and "Backdraft Bob" — is an American law enforcement agent and politician from Texas and Oklahoma. He has worked for the Federal Bureau of Investigation, the Governor of Oklahoma and in local law enforcement. He is best known as the FBI Assistant Special Agent in Charge during the 1993 Waco Siege or as FBI Special Agent in Charge during the 1995 Oklahoma City bombing investigation.
Joseph Preston "Pete" Strom was an American law enforcement officer who served as the eighth Chief of the South Carolina Law Enforcement Division, established in 1935, from 1956 until his death in 1987. He was considered by many to be the driving force behind a movement towards professionalism in South Carolina law enforcement.
David Bowdich is an American executive and former law enforcement officer serving as the Chief Security Officer of The Walt Disney Company. Prior to this, he served as the Deputy Director of the FBI.
