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KNOXVILLE, Tenn. (WBIR) - Law enforcement have a new tool to catch distracted drivers, and the officers behind the strategy blend in better than ever with traffic.

This week, the Tennessee Highway Patrol launched a new campaign to identify and cite drivers texting and driving. They're using the THP tractor trailer truck to get a higher, better look at what drivers are doing inside their vehicles.

"Improper lane changes, no seat belt, but the main focus is texting and driving," explained THP Sgt. Randall Martin. The truck is clearly marked with the THP logo.

"It's a patrol vehicle, it's in service. It's got its marking [and] lights, like our cars," said Sgt. Randall Martin. "But in this case we have two troopers -- one driving, one observing."

However, Sgt. Martin says several drivers never notice the truck coming up alongside them.

Read more at WBIR.com.