cameras that randomly scan people's faces. we have the details. >> looks like we got a hit. u.s. marshals. >> reporter: you've seen it on tv -- >> facial recognition match on the father. >> reporter: -- and in the movies for years. now it may soon be coming to a city near you. the fbi's billion-dollar project will use available surveillance cameras to scan faces and match those images against their national database of known criminals. dubbed the next generation identification program, face recognition, dna, iris scans and voice identification will make it harder for the most wanted to hide. some worry about the potential to invade privacy. others believe it's a crime-fighting tool whose time has come. >> you've got to go after them where they are, go after them smart, intelligence and special operations units. >> reporter: and as we approach the anniversary of september 11th a new bulletin obtained by