[first lines]

Narrator: It has led the fight to protect Americans for almost a century. Celebrated by many for its long crusade against crime, it is feared by others as the symbol of a government that can go too far. Born with the emergence of organized crime, it came of age in a time of turmoil. It became one of the most powerful agencies in the United States. Now, with a new director at the helm, it faces the greatest challenge in its history.