Face biometrics are now firmly established as a way for people to unlock their mobile phones, or sign up to a new online account. As a core means of identifying a person, however, former UNDP Policy Advisor and Program Manager for Legal Identity Niall McCann thinks facial recognition may be on its way out. Biometrics are often part of the registration process, linking a person to their ID number, and ID documents may encode the individual's biometrics, number, or both. McCann tells Biometric Update's Frank Hersey in episode two that because facial recognition can be carried out without the consent or knowledge of the subject, unlike fingerprint biometrics, it is likely to be restricted by the UN for ID projects in the coming years. "You don't know when a CCTV camera system based on street corners is identifying you via facial recognition means," McCann explains.