Coxsackie Athens School District warns of fentanyl laced vapes after student collapse Fentanyl laced vapes: The new crisis Pleasanton Weekly Student's vape had fentanyl in it, Tennessee sheriff says Charlotte Observer Drug laced vapes pose a serious and growing public health threat. Attractive flavours and packaging can hide dangerous substances such as ketamine, fentanyl, heroin, methamphetamine, THC and synthetic opioids. Even small amounts can