The Federal Bureau of Investigation, commonly known as the FBI, is a federal law enforcement agency in the United States. The spelling of "federal bureau of investigation" is unique, with each word having its own pronunciation. "Federal" is pronounced as "ˈfɛdərəl", "bureau" is pronounced as "bjʊˈroʊ", and "investigation" is pronounced as "ɪnˌvɛstɪˈɡeɪʃən". Together, they form a phrase that represents the national law enforcement arm of the United States government, responsible for investigating crimes and threats to national security.
The Federal Bureau of Investigation (FBI) is a United States government agency that serves as the principal federal investigative arm. It is under the jurisdiction of the Department of Justice and primarily operates to protect and defend the United States against terrorist and foreign intelligence threats, uphold and enforce criminal laws, and provide law enforcement leadership and assistance to federal, state, local, and tribal agencies. The FBI is renowned for its role in maintaining national security and fighting organized crime, public corruption, cybercrime, and civil rights violations.
With headquarters located in Washington, D.C., the FBI has field offices throughout the nation, as well as legal attachés in numerous foreign countries. Its operations encompass a wide range of investigative approaches, including conventional law enforcement techniques, intelligence gathering, and counterintelligence efforts. The agency also provides various support services, such as fingerprint identification, forensic analysis, and specialized training for law enforcement professionals.
The FBI is authorized to carry out investigations relating to federal crimes that span multiple states or involve violations of federal laws. It operates with a mandate to gather evidence, execute search warrants, make arrests, and present cases for prosecution to the United States Attorney's Office. Furthermore, the FBI maintains partnerships with other domestic and international agencies and organizations to enhance its effectiveness and contribute to global security efforts.
Overall, the Federal Bureau of Investigation is an essential component of the United States' law enforcement system, responsible for safeguarding the nation against threats while upholding and enforcing the rule of law.