COMMENT: Crime does not pay, as the old adage goes. That may or may not be true, but what is absolutely without question is that crime costs.

The Herald has learned that six guards were injured in an attack at New Zealand's toughest prison, with three suffering stab wounds to their heads.

Assaults on prison guards by inmates have increased by more than 100 in the last year.

A prison guard hospitalised after an attack at Paremoremo has been discharged.

Three members of staff at the Paremoremo Prison required medical treatment after being assaulted by a group of prisoners.

Corrections Minister Judith Collins said prison population growth required a further 1800 places.

COMMENT: Making unlawful detention subsequently lawful only deepens the outrage.

A human rights lawyer says the case for compensation is strong for those held in jail too long as a result of Corrections misinterpreting the law.

Prisoners could walk free today and Corrections Minister Judith Collins will be briefed on the fall-out from the miscalculation of parole and release dates.

One of the country's most brutal killers has been moved into a high risk unit following an incident at prison involving an "improvised weapon".

Corrections is defending its decision to place two high-risk sex offenders in a Hamilton boarding house where young kids were living.

Family with two girls told to play on other side of their house after paedophile was moved in next door, Labour MP says.

An investigation into allegations of 'fight clubs' at Mt Eden Corrections Facility was fair and the resulting report without error, a High Court judge has found.

COMMENT: The Corrections Department should spend time and effort in recruiting more persons such as Ngapari Nui to be kaiwhakamana in the prisons.

Security reinforcements were put on stand-by and Mount Eden prison locked-down after disorder involving a group of up to 50 prisoners.

Inmates at an Auckland prison were put in lockdown for 48 hours after obstructing corrections officers and disobeying orders.

Criticism mounts after Corrections placed one of New Zealand's worst sex offenders just metres from a school and failed to inform them.

A "high-risk" sex offender has been placed just metres from a large Auckland school by Corrections.

Kiwis have rallied behind a Filipino family's legal bid for justice, for their much loved mother, grandmother and wife, to raise more than $50,000.

Exclusive: Blessie Gotingco was raped and murdered on May 24, 2014. Today, for the first time, her husband of 30 years, Antonio, speaks about her life and loves - and her death.

Blessie Gotingco's family are considering filing a civil case against the Department of Corrections for wrongful death - and are calling on all New Zealanders to help them.

Children visiting their mothers will enjoy face painting, crafts and movies at Wellington Prison on Sunday.

Prisoners allegedly drunk on homebrew attacked staff at the Serco-run Wiri prison on Saturday, and a wing has been in lockdown as a result.

A probation officer is suing his bosses for secretly removing safety warnings from a report after the inmate then attacked a man just months after being released.

Corrections Minister Judith Collins says prison officers who were caught posting about an inmate on social media had let the department down.

A Wellington probation centre is making their staff feel safer with added security that includes panic alarms to alert police.

Serco has agreed to pay $8 million to Corrections after the department stepped in last July to manage the Mt Eden Corrections facility.

The Government has charged Serco $8 million to cover the costs of resuming control of Mt Eden Corrections Facility last year.

Criminals deported from Australia have been arriving here at the rate of more than one a day since a law managing their return was passed last year.