Facial recognition – whether running in real-time via CCTV at big events or on pre-recorded footage – is now commonly used by UK police forces. But the legal grounds for its use are much disputed.
The Home Office website unequivocally states that “there is a comprehensive legal framework in the UK, which means that the police can only use it [facial recognition] for a policing purpose, where necessary, proportionate, and fair”.
However, a Justice and Home Affairs Committee hearing held last December exposed that there are no specific laws detailing the use of facial recognition. When challenged by the former director of Liberty, Baroness Chakrabarti, on the legality of using facial recognition to identify criminal suspects, Lindsey Chiswick, director of intelligence at the Metropolitan Police, admitted that there was no…