Source: New Zealand Police
Rotorua Police have dealt a major blow to organised crime in the Bay of Plenty, busting a large, commercial scale drug operation, making over a dozen arrests and removing millions of dollars’ worth of drugs from the hands from organised criminal networks.
Detective Inspector Lindsay Pilbrow, Bay of Plenty Field Crime Manager said the significant operation shut down 14 grow houses in Rotorua, removing up to $6.5 million worth of cannabis from the black market, and resulting in the arrest of 16 people.
Five residential properties, 21 bank accounts and two vehicles have been restrained under the Criminal Proceeds (Recovery) Act.
Of the 16 Vietnamese nationals arrested, 14 are facing charges relating to the cannabis growing setup and associated offences. Two were arrested in relation to Immigration Act Offences.
Operation Harvey follows a six-month joint investigation between Police and Immigration New Zealand officers from the Ministry of Business, Innovation and Employment (MBIE).
The operation targeted residential rental properties being used to house large-scale commercial cannabis growing operations involving Vietnamese organised crime groups.
The termination involved more than 220 staff from across Bay of Plenty, Waikato and Auckland districts, as well as support from electrical companies to make the properties safe and assist with the investigation phase.
On Tuesday, 25 warrants were executed across Rotorua and Auckland.
Of the 21 residential properties searched across Rotorua, 14 had active and significant cannabis grow houses operating in them and 10 were rental properties located in residential areas.
Police allege all the houses had been using stolen power illegally diverted by the offenders from nearby power boxes – with conservative estimates noting they had been illegally diverting about $30,000 worth of power per week to run the grow houses.
“This was a well organised, significant and well-resourced grow operation with all the properties were linked to the same criminal network.
“Police believe the drugs were destined for sale to other organised criminal groups to on sell.
“Over 3500 high value plants were seized along with 97 pounds of dried cannabis head packaged and ready for the wholesale market.
“The cannabis seized has a bulk sale value of $1.8 million, but has a potential street market value well in excess of $6.5 million depending on how it is sold,” said Detective Inspector Pilbrow.
Alongside cannabis, tens of thousands of dollars of cash were seized, along with cannabis growing equipment.
“The scale of this operation is one I’ve not seen before. It is a multimillion-dollar business used to fund other organised criminal activities. We believe the equipment located and seized at the grow houses is worth more than $1 million alone.
“Many of these houses were packed to the brim with cannabis plants at various stages of growth. Houses had been altered to allow maximum use of space, with specialised timing and ventilation systems fitted to assist in the growing and to also avoid detection.
“This will deal a significant blow to those involved. These organised criminal groups have embedded themselves within communities simply to cause harm. Not only does the drug use put people at harm, but the associated offending such as the theft of electricity is a significant risk to households and members of the public,” said Detective Inspector Pilbrow.
The operation remains ongoing, with further search activity planned in Auckland and the Bay of Plenty. Further arrests and charges have not been ruled out.
Police remain committed to targeting organised crime groups and those who profit from the supply of illicit drugs.
Illegal drugs cause significant harm to individuals, families and communities. Reducing that harm requires a collective effort, and Police continue to encourage anyone with information about drug-related offending to come forward.
If you are aware of suspicious activity involving drugs, call 111 if it is happening now, or report information after the fact via 105.
Unfortunately, Police continue to see an increase in rental properties in suburban areas being converted into large-scale cannabis growing operations funded and controlled by organised criminal groups.
Advice for landlords
Police encourage landlords and property managers to remain vigilant and look out for signs that a property may be being used for illegal drug cultivation. This activity can cause significant damage, pose a fire risk and may jeopardise insurance payouts.
Landlords need to remember they have obligations to carry out due diligence on prospective tenants.
Police recommend landlords to carry out checks before signing up tenants:
– Carry out reference checks.
– Meet tenants face-to-face and check IDs
– Credit and income verifications.
Always ensure you carry out regular inspections of your properties. If tenants have a preference to pay rent in cash or offer to pay more to avoid inspections, that should be a red flag.
Landlords and neighbours can also play a part in stamping out these operations.
Other warning signs can include blacked-out or permanently covered windows, extractor fans, ventilation systems or unauthorised structural changes to the exterior of the property or signs that an electricity meter has been tampered with or bypassed.
By working together, we can all keep our communities safe.
You can report suspicions of an address to Police via 105 or Crime Stoppers anonymously on 0800 555 111.
ENDS
Issued by Police Media Centre
Original source: https://nz.mil-osi.com/2026/07/30/operation-harvey-police-shut-down-illegal-cannabis-grow-houses/