A Riverside woman was arrested on a felony sex offender probation violation. On Tuesday, the Washington County Sheriff’s Office received a report from Henry County officials that they had located a subject with Washington County warrants. Authorities arrested 38-year-old Christina Gray of Riverside on violation of probation on the original charge of failure to register as a sex offender second or subsequent offense, a Class D felony. Gray plead guilty to the offense of lascivious acts with a child in 2013 in Washington County. She was transported to the Washington County Jail.