Random Breath Test Season 14 Episode 11 Spitting Chippie

Driving down a crowded freeway police notice up ahead a man with a strange habit. He keeps spitting out of his window. It's enough to tickle police interest. The man with the menacing moist mouth is 30-year-old chippie Callum. But that means there's plenty of saliva for a drug test and Callum says he's a regular user of cannabis.