Walnut Grove Correctional Facility, formerly the Walnut Grove Youth Correctional Facility, is a private prison operated by the Management and Training Corporation (MTC) on behalf of the Mississippi Department of Corrections, located in Walnut Grove, Mississippi. It has been accredited twice by the American Correctional Association, most recently in 2012, and has a capacity of 1,461 prisoners. Until April 2012, the prison was operated by GEO Group and housed juvenile prisoners who had been convicted of felonies and sentenced as adults. owns the facility. - Source: Wikipedia