▁a ▁city ▁to ▁a ▁central ized ▁monitoring ▁station , ▁identify ▁and ▁track ▁individuals ▁and ▁vehicles ▁as ▁they ▁move ▁through ▁the ▁city , ▁and ▁report ▁" s us p icious " ▁activity ▁( such ▁as ▁w aving ▁arms , ▁looking ▁side - to - side , ▁standing ▁in ▁a ▁group , ▁etc .). ▁ ▁At ▁Super ▁Bowl ▁XXX V ▁in ▁January ▁ 2 0 0 1 , ▁police ▁in ▁T ampa , ▁Florida , ▁used ▁Ident ix ' s ▁fa cial ▁recognition ▁software , ▁Face It , ▁to ▁scan ▁the ▁crowd ▁for ▁potential ▁crim inals ▁and ▁terror ists ▁in ▁attend ance ▁at ▁the ▁event ▁( it ▁found ▁ 1 9 ▁people ▁with ▁pending ▁arrest ▁war r ants ). ▁ ▁Govern ments ▁often ▁initially ▁claim ▁that ▁cam eras ▁are ▁meant ▁to ▁be ▁used ▁for ▁traffic ▁control , ▁but ▁many ▁of ▁them ▁end ▁up ▁using ▁them ▁for ▁general ▁surve ill ance . ▁For ▁example , ▁Washington , ▁D . C . ▁had ▁ 5 , 0 0 0 ▁" tra ffic " ▁cam eras ▁installed ▁under ▁this ▁prem ise , ▁and ▁then ▁after ▁they ▁were ▁all ▁in ▁place , ▁network ed ▁them ▁all ▁together ▁and ▁then ▁granted ▁access ▁to ▁the ▁Metropolitan ▁Police ▁Department , ▁so ▁they ▁could ▁perform ▁" day - to - day ▁monitoring ". ▁ ▁The ▁development ▁of ▁central ized ▁networks ▁of ▁C CT V ▁cam eras ▁watching ▁public ▁areas ▁– ▁linked ▁to ▁computer ▁databases ▁of ▁people ' s ▁pictures ▁and ▁identity ▁( bi ometric ▁data ), ▁able ▁to ▁track ▁people ' s ▁movements