A new, deadly drug is spreading through American cities, sparking a crisis not of addiction – but of withdrawal. Medetomidine is a veterinary sedative, and if used by humans, it causes almost instant ...

Dominic Cipriano couldn't stop shaking. A drug dealer on the streets of Kensington had sold him a bag of what he thought was fentanyl. And when he entered withdrawal, he started rocking from side to ...