Shorted to CNTRP, and called Cantrip, the Combined Nonhuman and Transhuman Relations Provisors is the government agency that was created when the werewolves outed themselves to police the nonhuman portions of the US population; it includes the BFA.
Per Frost Burned, a sizable portion of their staff, brought over from the BFA, is virulently anti-preternatural, engaged in questionable activities to force the government to "take action" against werewolves and fae.