A Morgan County man has been sentenced to serve time in prison after being found guilty of especially aggravated sexual exploitation of a minor. Court officials say 39-year-old Eric J. Walker of Oakdale was given three years to serve in prison in Roane County court by Judge Jeff Wicks on July 28th. Walker was given until yesterday (Monday, August 7, 2017) to get his personal affairs in order and report to the jail to start serving the time. Walker reported to the Roane County jail yesterday. He is also required to register as a sex offender.