FBI abbreviation
Federal Bureau of Investigation
▪ The crime is being investigated by the FBI. — often used before another noun ▪ an FBI agent ▪ an FBI laboratory ◊The Federal Bureau of Investigation is a part of the U.S. federal government that is responsible for investigating crimes.
▪ The crime is being investigated by the FBI. — often used before another noun ▪ an FBI agent ▪ an FBI laboratory ◊The Federal Bureau of Investigation is a part of the U.S. federal government that is responsible for investigating crimes.






