The vast profits of organised crime in Australia would pack a 16,000 cubic metre hall with $100 notes every year.

Nazi catchphrases were among some of the coded conversations that convicted an underworld heavyweight.

A long-running turf war between rival crime clans left nearly 30 people dead between 1998 and 2006. The main players are dead or in jail, but the violence continues.

Police infiltrated the highest levels of the Hells Angels motorcycle gang in an undercover operation that culminated in mass raids, nearly 30 arrests and the seizure of weapons and explosives today.

An undercover operation dubbed one of the "deepest gang infiltrations" in New Zealand police history has seen 15 arrests and 20 properties raided.

High Court rules Wanganui cast net too wide and didn't consider all freedom issues

The High Court has ruled Whanganui District Council's gang patch ban is unlawful.

Three senior members of the Rebel Motorcycle Club have been banned from visiting a Northland prison after attempting to recruit members there.

Fears of a growing gang war are mounting with the shooting of three men in Sydney, one reportedly a member of one of the city's most notorious families.

It was a violent weekend in Wairoa with attacks on five people, including a Mongrel Mob member.

A major police operation resulting in at least 30 arrests is likely to stymie Australian gang the Rebels' growing presence in NZ, police say.

Luxury cars and motorbikes, drugs and thousands of dollars have been seized in a major police crackdown on organised crime.