<ul data-eligibleForWebStory="false">Privacy activists criticize London Met Police for low efficiency of live facial recognition.Only 0.15% of arrests since 2020 were made with LFR, raising concerns over ROI.Met Police defends LFR, stating it helps catch criminals and saves officers' time.Facial recognition technology lacks regulation in the UK, sparking privacy concerns.Despite criticism, UK government continues to invest heavily in facial recognition capabilities.