Facebook Marketplace has become a popular avenue for drug sales.
In a single day, our newsroom found dozens of ads for various Class A substances being marketed over the North Island.
Justice Minister Paul Goldsmith's says he is writing to Meta.
The Drug Detection Agency's Glenn Dobson told Heather du Plessis-Allan that workplace drug tests have revealed usage has been going up.
Dobson says the use of social media platforms is a concern - because the easier drugs are to access, the more prevalent they are in the community.
LISTEN ABOVE
Take your Radio, Podcasts and Music with you