These can be coupled with a fleet of these to provide close-in surveillance of suspicious activity
And if they need immediate action - they can call in some of these:
I agree....surveillance with eyes in the skies and planted along convoy routes. then when any suspicious activity occurs, hunter/killer groups deploy. All cars should be registered and tagged, with license plates placed in database. Any "missing" or misplaced tags justify forfeiture of vehicle with iterrogation and or incarceration. Intel is the key, and aggressive enforcement of surveillance and search and destroy parameters.