Federal Bureau of Investigation
From Tardis Wiki, the free Doctor Who reference
The FBI was an American department that conducted criminal investigations.
In 1969, Richard Nixon hired former FBI agent Canton Delaware. He chose him based on his FBI training. (DW: The Impossible Astronaut)
The FBI prevented a group of cyber-terrorists from using the Armageddon virus to bring down the international banking network. (SJA: The Lost Boy)