Its allegedly been trialed/used in china for a few years now. First quality result https://www.privacy-ticker.com/chinese-police-uses-gait-recognition-for-ident

Its allegedly been trialed/used in china for a few years now. First quality result https://www.privacy-ticker.com/chinese-police-uses-gait-recognition-for-identification/ https://www.privacy-ticker.com/chinese-police-uses-gait-reco...