Organised crime groups keep finding ways to smuggle meth into the country.
Police and customs officials intercepted a shipment of maple syrup from Canada at the New Zealand border in January.
It was concealing 713 kilograms of methamphetamine, with an estimated street value of $250 million dollars.
Drug Detection Agency Chief Executive Glenn Dobson told Kate Hawkesby hiding meth in liquids is nothing new.
LISTEN ABOVE

Kevin Putt: Former Springbok previews the final Greatest Rivalry test between the All Blacks and Springboks
02:18

Leon Panetta: Former Defence Secretary and CIA Director on the US-Iran war
08:17

Graeme Edgeler: Constitutional law expert on an MSD review which found more than 30-thousand cases, where benefits and payments were wrongly suspended
04:04