Full form of FBI is Federal Bureau of Investigation

The Federal Bureau of Investigation, commonly referred to as the FBI, is a principal federal investigative agency of the United States. It operates under the jurisdiction of the Department of Justice and serves as both a federal criminal investigative body and an internal intelligence agency. Established in 1908, the FBI is tasked with upholding and enforcing federal laws, investigating various criminal activities, and protecting the United States from threats such as terrorism, espionage, and cybercrime. With its headquarters in Washington, D.C., the FBI has field offices throughout the country and liaison offices worldwide, reflecting its expansive role in both national and international law enforcement. The agency is known for its rigorous investigative techniques, forensic laboratories, and diverse team of agents and specialists, all working together to ensure national security and public safety.