A former volunteer firefighter was responsible for torching a dozen Auckland properties.

Known to some as Lionheart, Ron Brierley's business career is now tainted by his crimes.

Steve Braunias explores the seedy underworld of undercover police operations.

A businessman whose home was burgled during renovation believes it was an "inside job".

OPINION: It will continue to resonate for a long while beyond the High Court of Auckland.

Dylan Cossey headbutted a former manager three times in an attack at a rugby game.

Edward Gong agrees to pay millions to NZ police after investigation in China and Canada.

Jevan Goulter works in political circles and with some of NZ's wealthiest people.

Gaye Bush spoke exclusively to the Herald about the killing of her husband Chris in 1987.

Tired of the gang running the town, a constable wrote directly to the Police Commissioner.

Rod Richard Makatea, Rodney Crichton and Rodney McCall are all the same man.

Officers feared incriminating footage would be used by the gang as leverage for favours.

Two women went to court to help bring Kempson to account. Now, we can tell their stories.

Exclusive book extract on how detectives investigated the Comancheros motorcycle gang.

Exclusive extract from Herald reporter's book on the evolution of organised crime in NZ.

The "fishing trip" that resulted in a huge cocaine haul.

Social workers should have visited baby after concerns raised just weeks before his death.

EXCLUSIVE: Customs alleges Air NZ staff helped man smuggle $8 million worth of meth.

The true scale of Russell Maher's fraud may never be known.

Why a subtle change in traditional gang hierarchy led to "uncontrolled growth" in numbers.

'I told you not to come around here': Josh Masters paralysed after former friend shot him.

High-profile gang leader warned of Oz threat; now brother and nephew have joined rivals.

Gang scene explodes with new patches and numbers, up 50 per cent to record 7000 members.

This is the story of the handless corpse.

Steve Braunias reports from Mark Lundy's last-chance appeal at the Supreme Court.

It was a Sunday morning, and Constable Thomas Nankivell had just started his shift.

EXCLUSIVE: Mexican cartels are coming to NZ. So the United States DEA is following suit.

Secrecy over seized cash to protect Government's relationship with another country.

GRAPHIC WARNING: Carl Loader attends crime scenes to clean up after police have finished.

It's one of New Zealand's oldest cold cases. Now, police have opened an investigation.