Casper Re-Entry Center

Barnes is described as being white, 5' 3" with brown hair and brown eyes.

He climbed a wall, climbed a chain link fence and entered a light-colored Sport Utility Vehicle.

According to the Wyoming Division of Criminal Investigation, he was registered as a sex offender in 2014.

Cell phone providers can track a phone's location through cell phone towers, Global Positioning System coordinates, and other means.

If you see him, please contact the Natrona County Sheriff's Office.

But he and an accomplice were arrested a year before in Converse County.