An East Tennessee prison escapee is now on the Tennessee Bureau of Investigation's Top Ten most wanted list.

The TBI is looking 31-year-old Jeffrey Carter, Jr. They say he took off from work detail at a dairy farm on August 11.

He's serving a 21-year sentence for armed robbery and has a rap sheet dating back to 1996.

The TBI is offering a $1,000 reward for information leading to his arrest.