The FBI claims that their fingerprint database (IAFIS) is the "largest biometric database in the world," containing records for over a hundred million people. But that's nothing compared to the agency's plans for Next Generation Identification (NGI), a massive, billion-dollar upgrade that will hold iris scans, photos searchable with face recognition technology, palm prints, and measures of gait and voice recordings alongside records of fingerprints, scars, and tattoos.