The U.S. Federal Bureau of Investigation (FBI)

The FBI, or Federal Bureau of Investigation, is the United States' principal federal law enforcement agency, responsible for investigating and preventing national security threats, terrorism, cybercrime, and major criminal activities. It gathers intelligence, enforces federal laws, and works with other agencies to ensure the safety and security of the country. The FBI operates both domestically and internationally, using advanced technology and intelligence techniques to solve complex cases, protect citizens, and uphold justice across a wide range of criminal and security issues.