Rising gang numbers will eventually lead to an increase in crime, says criminologist.

Waitomo District mayor Brian Hanna, in Te Kuiti, after the Police and AOS raided several properties that were associated with the Mongrel Mob gang, the Police arrested four men. / Brett Phibbs

Police back at scene of fatal shooting.

Police launched a homicide investigation after the fatal shooting of a 27-year-old man.

Jacinda Ardern opened the criminal justice summit by slamming NZ's incarceration rate.

Bishop Brian Tamaki shared his Destiny Church's "Man Up" message with gangs.

A Tauranga hero feeds families in her community. Made with funding from NZ On Air.

Gangs are being blamed for two local unsolved murders. Is it time they were made illegal?

Patched gang members spotted outside court may be advertising their arrival: local cop

"They give the New Zealand gangs a harder edge"

Josh Masters said he 'hated' P. Ten years later, he's finally left prison for dealing.

Once bustling with tourists, this Caribbean paradise has descended into violence.

The wife of a gangland has revealed how her daughter saved her from execution.

William Hines has successfully appealed the length of his jail sentence owing to illness.

CCTV footage has emerged of a violent shirts-off bikie brawl at a Canberra strip club.

'I cried a lot… it's disgusting to see my daughter in a video like that.'

Gang expert says numbers don't paint full picture of gang violence in Central Nth Island.

Gang member Tuterangi Moeke jailed for ambushing Mongrel Mob funeral.

Dramatic moment alleged drug kingpin lashes out at police, camera at Sydney Airport.

Crackdown on gangs shouldn't hinder whānau programmes. Made with funding from NZ On Air.

Former National MP and cop Ross Meurant went to talk to the Head Hunters.

Inside the police plans for 700 staff to tackle organised crime in New Zealand.

At 14, he rescued a girl from rapists. A decade on he was gunned down in cold blood.

The 44-year-old was a welder by trade, working for a scaffolding company.

Double murderer Graeme Burton has been assaulted at Auckland Prison this morning.

Jamie Liu's health contributed to his sentence being reduced to home detention.

Police searching for three men linked to Hells Angels, who should not be approached.

Unless we get to root of crime, gangs will thrive, police will continue to cast net wide.

Herald reporter got a little too close to the story on a recent trip to Houston.

People on the street may be vulnerable or being taken advantage of by gangs.