Humanity's had a very long love affair with the working dog.
One of their important jobs is helping us detect drugs in airports and workplaces. But using dogs in this way only really taking off in the 1960s.
So how do they get that frisky beagle at the airport to find that sandwich bag of suspicious looking powder?
Janet Williams is the person to answer that and other questions about sniffer dogs. She has 13 years working in MPI selecting, breeding, training and managing biosecurity dog teams.
She's our expert guest this week. If you have any questions for her please text 2101 or email jesse@rnz.co.nz.
A dog sniffs at a bag on an airport carousel. Photo: 123RF
