The drug was first detected in illegally manufactured opioids in North America in 2022The animal sedative medetomidine is increasingly showing up in the U.S. illegal drug supply, according to three reports released Thursday. Medetomidineopens in a new tab or window, which is used to sedate pets and is somewhat similar to xylazineopens in a new tab or window, was first detected in illegally manufactured opioids in North America in 2022. Investigators say the drug is being mixed in with other illicit drugs, mainly fentanylopens in a new tab or window, the synthetic opioid behind most overdose deaths. On Thursday, the...