A fatal drop: what do we know about the drugs, 500 times stronger than heroin, taking Australian lives? Drugs The Guardian More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police Nitazines found in black market vapes as criminals make new variations to evade detection ABC News More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police