Urban Alchemy: The Bloody Black Market of Car Exhausts

Every night in cities across the globe, an invisible army of thieves slides under parked cars with battery-powered saws. Their target is not the vehicle itself, but a drab metal canister containing a few grams of a substance vastly more expensive than gold. The catalytic converter crisis is driven by rhodium, a phenomenally rare precious metal that cleans exhaust emissions. This investigation ex...