The Director of the Department of Corrections shall establish at places in state forests recommended by the State Board of Forestry one or more forest work camps at which state adults in custody and local adults in custody may be employed. Only such state adults in custody as are determined by the Department of Corrections to require minimum security may be placed at a forest work camp, but the Department of Corrections shall not place an adult in custody at a forest work camp if the department is aware that the adult in custody has ever been convicted, of: