One person was on remand for almost six years before being released in 2023.
Danny and Roberto Jaz were found guilty in April on a total of 69 sex and drugging crimes.
New Zealand prison conditions are alleged to include over-crowding, double-bunking and not being allowed out of their cells at reasonable intervals.
'We can't control the emails they send themselves, unfortunately, but no, it's not near capacity."
Matangirau Cuff has pleaded guilty to three charges relating to rioting, assault and arson.
The prison was gutted by a series of large fires in December 2020, causing more than $45 million worth of damage.
"It was quite nightmarish."
Waikeria Prison's top jail was destroyed by fire.
"Our thoughts are with the man’s family and friends."
