But today, the Federal Bureau of Investigation opened the curtain on its work a little more, allowing reporters into the main hangar.
In late 1943, the Federal Bureau of Investigation opened an investigation of Abt.
They said the Federal Bureau of Investigation had opened an inquiry into the episode.
The Federal Bureau of Investigation has opened an inquiry into Mr. Causey's auction house, art dealers who have been interviewed by agents say.
In 2012, the Federal Bureau of Prisons opened a federal, 1200-bed medium security facility, which employs approximately 350 people.
The Federal Bureau of Investigation opened a national computer data base that holds identifying information from the DNA of convicted felons.
The Federal Bureau of Investigation has opened an inquiry to see if the monitoring violated Federal wiretap statutes.
The Federal Bureau of Investigation (FBI) opened a case against the Black Dragons in 1999.
And the Federal Bureau of Investigation has opened a criminal inquiry.
In Washington, the Federal Bureau of Investigation opened an inquiry into the possibility of civil rights violations.