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
Chattanooga Times

CHATTANOOGA, Tenn. — Earlier this week, Bradley County Sheriff's Department investigators enlisted the help of Tennessee wildlife resource officers to try to find a submerged car in Parksville Lake in Polk County, Tenn.

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.

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