A New Zealand criminologist says this country's "well-established" Asian gangs are usually tight-lipped about crime because they are fiercely loyal to each other.

Mike Hosking says gangs are a massive, multi-generational problem that are dangerously close to being in the 'too hard' basket.

Queensland police fear a fresh outbreak of violence on the Glitter Strip after the Mongrel Mob launched a Gold Coast chapter.

On the day he was fatally shot, a woman pleaded with East Coast Mangu Kaha gang boss Tumanako Tauhore to resolve his differences with her partner, the High Court at Gisborne has heard.

The fatal shooting of the president of Black Power-affiliated was murder, Crown prosecutors told a jury in a packed High Court at Gisborne.

COMMENT: The police have been deemed me unfit to undertake crime research because I know criminals, writes Dr Jarrod Gilbert.

Whanganui could be inundated with Black Power members this weekend, as gang associates arrive for the city chapter leader's tangi.

An estimated 400 Mongrel Mob members will descend on a paddock in Te Aute today to celebrate the gang's 50th anniversary.

An increasing number of at-risk prisoners are being put in segregation.

A group of Mongrel Mob members have been jailed for at least four years as a judge rejected the explanation they were performing a community service.

Bail has been denied for a 56-year-old man arrested after a drug bust linked to the Head Hunters gang.

Fears government systems and services have been turned to the gang's purposes.

The focus of a major police operation to seize $4m in cars, cash and property, but who are the Head Hunters?

Police will not fight a judge's decision to throw out criminal charges against gangsters after a botched undercover investigation.

A Mongrel Mob gang member who ran down and killed a police officer in a stolen car has been denied parole.

A High Court judge suggested the police “probably” broke the law by faking a prosecution against an undercover officer to boost his credibility with a gang.

In bikie club culture where loyalty and territory are highly valued, disagreements can too easily boil over, writes Jarrod Gilbert.

The Dunedin Notorious Mongrel Mob is distancing itself from a plan to allow gang members to compete for the city's green space contracts.

The Notorious Mongrel Mob and Black Power could be coming to a lawn near you.

Wellsford businesses are supporting a charity motorcycle run by a gang whose fellow chapter was caught manufacturing meth, according to police.

It is a quarter of a century since Straight Outta Compton, the seminal gangsta rap album, made a 25 sq km area of Los Angeles synonymous with gang violence and murder.

A suspected gang member opened fire on a group outside a Portland high school, sending three young people to the hospital in what police said appeared to be a gang-related shooting.

Friends of Scot Young, the tycoon who died in a fall from his fourth-storey London flat, have claimed that he owed millions of pounds to the Russian and Turkish mafia.

Cabinet signed off tough new measures to tackle gangs on the basis of inaccurate information which over-estimated the scale of the crime problem.

Figures used by Police Minister Anne Tolley to justify a new law tackling gangs were wrong, police admitted last night.

I write this as a gang member. This month the Government announced a new plan to deal with gangs. It's something of a pre-election tradition, but let's put that aside.

A 33-year-old man charged with the murder of Connor Morris has made a brief appearance in court in Kaitaia this morning.

Two brothers who lived at the West Auckland home outside where Connor Morris was killed have gone into hiding amid fears of retaliation.