The Correctional Institutions Division has eight main facilities, including five prisons and three state jails, that house women; Five of the women's units, including four prisons and one state jail, are in the City of Gatesville. Jorge Renaud, author of "Behind the Walls: A Guide for Family and Friends of Texas Inmates", said that female prisoners in the TDCJ generally "undergo the same tribulations, are affected by the same policies, must adhere to the same regulations, and are treated the same by TDCJ staff."