Black market suspected behind wave of Auckland bike thefts

A wave of bike thefts in Auckland...has police warning riders to be extra vigilant when it comes to securing their cycles.
But a leading Auckland cycle advocate believes there's something more sinister at play.
She says a sophisticated black market, costing owners and bike shops thousands of dollars, is gripping the super city.
Checkpoint reporter Nick Truebridge and cameraman Nick Monro have the story.