Mt Eden Prison has more horrifying stories about violence yet to emerge, a prison drug and alcohol counsellor told ONE News today.
Roger Brooking says he had heard shocking stories of gang rape that occurred in the prison.
"I've been given really good information about a gang rape that occurred, and I heard about another one today," Mr Brooking told ONE News.
"So there's other stuff going on in Mt Eden Prison that's yet to come out."
He said he was not surprised to see Serco battling controversy.
"I've basically been waiting to see when Serco was going to stuff up in New Zealand, so I'm not the least bit surprised to hear about what's been going on at Mt Eden," he said.
Serco have somehow managed to pull the wool over the eyes of the corrections management- Prison counsellor Roger Brooking
"The corrections department rates its prisons on a performance table and for the last 12 months Mt Eden has been rated exceptional, so what does that tell you about what's going on in all the other prisons in New Zealand?
"They (Serco) have somehow managed to pull the wool over the eyes of the corrections management, which is supposed to have people inside the Mt Eden Prison monitoring that Serco is honouring the contract," Mr Brooking said.
You can't make knee-jerk reactions, I've heard lots of allegations- Corrections Minister Sam Loti-Iiga
Corrections Minister Sam Lotu-Iiga denied the allegations of gang rape at a press conference this afternoon but said a full review would be conducted and if the allegations were true, there would be serious consequences.
"I've heard a lot of allegations around this prison and that's why we've ordered the wide ranging review," Mr Lotu-Iiga said. "You can't make knee-jerk reactions."
Mr Brooking's comments come after the Department of Corrections announced it would be taking over the management of the Mt Eden Corrections Facility following a week of damning allegations.
Corrections chief executive Ray Smith has invoked the 'step in' clause featured in their contract with Serco, the private company employed by the government to run the prison.