Stories from the set

Producer Dick Wolf had long been toying with the idea of a series about the FBI and pitched it to the NBC television network. More specifically, he proposed making this project a spin-off of the series "Law & Order: Special Victims Unit." But NBC rejected the idea, while media conglomerate CBS seized on it, and the project became the first Wolf series not to air on NBC.

The FBI's motto is the words "Fidelity" (that is, loyalty), "Bravery" (valor), and "Integrity" (conscientiousness), the first letters of which form the abbreviation FBI (Federal Bureau of Investigations).

At some point in every episode, the character played by Jeremy Sisto is shown with a pencil – either the pencil is sticking out from behind his ear, or he is pointing at something with it (which happens even more often).