"What if something had happened to my daughter? They could have destroyed my family."
The number of inmates from one gang has risen 150 percent.
More than $650,000 in assets have been taken by police.
Seventeen members are facing 263 charges.
"We've got to work out what's the underlying cause that leads to the demand and try and focus on fixing those issues."
The group has been the centre of gang conflict in NZ.
Tuesday's raids mark the culmination of a lengthy investigation into the Mongols MC.
Okusitino Tae would not reveal why he shot Josh Masters.
The leader of a Hawke's Bay Mongrel Mob chapter is among those arrested.
They also found 14 drug labs and executed more than 100 search warrants.
Waikato Police say any illegal activity or alert level breaches by gangs won't be tolerated.
Police say the property was booming when officers arrived.
Stephen Daly was adamant he was just going grocery shopping - but police say that's not true.
The lockdown could be a good chance for addicts to get clean, says a criminal justice expert.
The raid followed a firearms incident earlier on the same day.
The pair clashed at a public event where the National leader blasted gang culture.
Six others will go on trial later this year for charges relating to last year's raids.
The minister "deeply resents" gang leaders "trying to pass themselves off as crime-free apostles".
There were fears gang tensions had broken out again in the city after one person was hospitalised.
One person was taken to hospital.