Missouri health officials warn nitazenes, potent synthetic opioids, are hard to detect 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 Wastewater at 4 KC area schools detected potent opioids Kansas City Star Rising imports of potent drug nitazene raises concern