The Federal Bureau of Investigation (FBI) is a premier law enforcement agency in the United States, renowned for its role in protecting the nation from domestic and international threats. Founded on July 26, 1908, as the Bureau of Investigation, it was initially tasked with addressing land fraud and corporate malfeasance under President Theodore Roosevelt[1][2]. Over time, its mandate expanded significantly, particularly with the passage of the Mann Act in 1910, which allowed federal jurisdiction over certain moral offenses[1][4]. ### History and Evolution The FBI underwent significant transformation under J. Edgar Hoover, who became its director in 1924. Hoover implemented strict hiring standards and enhanced operational capabilities, transforming the agency into a robust investigative force[1][4]. The FBI's name was officially changed to the Federal Bureau of Investigation in 1935[5][6]. Throughout its history, the FBI has faced challenges, including concerns about potential abuses of power, but it has consistently demonstrated its value in national security and law enforcement[3][4]. ### Key Achievements The FBI has been instrumental in combating various crimes, including white-collar offenses, civil rights violations, and national security threats. Notable achievements include its role in enforcing the Espionage Act during World War I and its investigations into organized crime throughout the 20th century[2][4]. ### Current Status Today, the FBI is a sophisticated agency with over 37,100 employees, including special agents and professionals in various fields such as intelligence analysis and cybersecurity[5]. It operates in 55 field offices across the U.S. and has an international presence in 81 nations[5]. The FBI continues to evolve, addressing emerging threats like cybercrime and terrorism while maintaining its commitment to justice and integrity. ### Notable Aspects The FBI is known for its rigorous training programs at the FBI Academy in Quantico, Virginia, and its advanced forensic capabilities at the FBI Laboratory. Its work in business and technology includes