KNOXVILLE (AP) — A former Knox County judge has reported to federal prison for lying to investigators.The Knoxville News Sentinel reports Richard Baumgartner checked into the work camp at Gilmer medium-security prison in Glenville, W. Va., on Wednesday.Baumgartner's lawyer, Don Bosch, confirmed his client had reported to prison. Baumgartner, who is 66 years old, is serving a six-month sentence.“He was immediately put in the camp and is doing well,” Bosch said. “He will be assigned a job within the week.”The former Knox County Criminal Court judge was convicted of lying to disguise his buying of prescription painkillers from a mistress.His drug abuse led to new trials for two Lebanon, Ky., suspects in the kidnapping and torture killings of a young Knoxville couple in 2007.