Trump 'drug czar' warns of deadly 'rhino tranquilizer' killing Americans as cartel crackdown escalates

The Trump administration has issued a warning about a deadly new drug called medetomidine, also known as 'rhino tranquilizer', which is being mixed with illicit fentanyl and has been found in the Northeast and Midwest. The federal alert warns that medetomidine represents a real threat to communities. The administration is cracking down on smuggling and cartel activity.