[1] The Robertson Unit has space for 1,244 inmates in General Population, plus a large Restricted Housing facility.

Also notable, is the Robertson Unit's kennel of tracking dogs, and horses for mounted operations.

[citation needed] The unit is named after French M. Robertson, a lawyer and oil businessman from Abilene, Texas.

[3] In 1996 a correctional officer fired a bullet, which he described as a "warning" shot, towards an inmate that he said was running from an outside work squad.

The inmate, Dillion Compton, who was serving time for child rape, was sentenced to death for the murder in 2018.