Mississippi Code Title 47. Prisons and Prisoners; Probation and Parole § 47-5-132

(a) In his discretion as he deems necessary to address emergency overcrowding situations, utilize military-style temporary housing facilities and infrastructure, for the incarceration of adult offenders committed to the department. Such facilities shall include tents or other temporary structures, any necessary ditches for drainage purposes, any temporary infrastructure and any other improvement or accompaniment to such structures. All such facilities shall be constructed as much as possible by adult offenders in the custody of the Department of Corrections, possessing the minimum constructions skills necessary.

(b) In his discretion, require that any bed in the state correctional system shall be converted to a bunk bed, in order that a space occupied by a bed will consist of a bed on top of a bed, which shall be known as “double-bunking.”