Correctional Services spokesman Manelisi Wolela has denied allegations that student leader Mcebo Dla.
The investigation into the notorious Waterval prison outside Newcastle in northern KwaZulu-Natal is welcome.
At least six prisoners have been killed there in the past six months.
Inmates are living in fear following allegations that warders were involved in inciting violence at this jail.
One of the prisoners, Thamsanqa Dladla, was killed - on the eve of his release - during a fight between inmates while warders allegedly stood by.
What is amazing is that his family was only informed about his death seven days after the incident.
This is unacceptable.
Inspecting Judge of Prisons Nathan Erasmus should leave no stone unturned in exposing the rot that has made Waterval one of the most dangerous prisons in the country.
Prisons are expected to be places of rehabilitation for inmates - not killing fields.