By Adam Crisp
The Chattanooga Times Free Press
CHATTANOOGA, Tenn. - You might see police cruisers labeled "Surveillance Unit" on Chattanooga streets sometime soon.
But even if you aren't paying attention, it's likely the vehicle will take notice of you.
Within a few weeks, city workers will place four police cruisers around Chattanooga. There wil...
Unmanned Tenn. cruisers keep watch