Krokodil is a terrifying street drug: it's cooked with gasoline and other nasty chemicals and then injected into the skin, causing blood vessels to pop and tissue to die and fall off. Images of the scaly, holed arms and legs of krokodil addicts started recirculating after scattered reports of the drug surfacing in the US. But if you still want to see more, an Italian photographer has been following a group of krokodil addicts in Russia for a year. His photos and video, published by Time, are heartbreaking.