Tenn. officials say high-tech revolutionizes police work
Sonar devices, thermal imaging, fingerprinting machines, and night vision goggles are changing the way police do their job.
By Dick Cook
Bradley County Sgt. Bill Coultry said the side-scan sonar Tennessee Wildlife Resources Agency Officers Joe Bush and Ken Ripley used in the search was an invaluable tool to peer 50 feet into the water.
Full story: ...