The alleged Christchurch mosque shooter is not allowed access to television, newspapers or radio while he awaits his second court appearance.
The 28-year-old, who has been charged with murder, is understood to be held in segregation under 24-hour surveillance, according to Stuff.
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The publication reported no visitors have been approved to see he accused.
Corrections Minister Kelvin Davis wouldn't disclose where the alleged offender is but it is believed he is currently in the maximum security Auckland prison at Paremoremo.
The prison is home to New Zealand's most violent criminals.
Among them is recently convicted murderer Malcolm Rewa, and William Bell who is serving a 30-year minimum sentence for the murder of three Mt Wellington-Panmure RSA staff in 2001.