A Rockwell City inmate caught trying to escape from the jail in Sac City faces additional criminal charges. 60 year-old Randy George Barney was charged with felony attempted escape. The Sac County Sheriff's office says Barney climbed a security fence and a barbed-wire barrier while exercising in an outside enclosure with three other inmates on Friday morning. Deputy sheriff's caught Barney while he was still on the property. He was the only inmate in the exercise yard to climb the fence. He's been in jail on burglary charges filed in April in neighboring Calhoun County. He has pleaded not guilty.