Terrifying new street drug ‘rhino tranq’ causes wave of deaths in Michigan, Philly and Chicago

A powerful animal tranquilizer nicknamed ‘rhino tranq’ cut into fentanyl sold on the street is cropping up in cities large and small across the US and causing a wave of overdoses. A powerful animal tranquilizer nicknamed ‘rhino tranq’ cut into fentanyl sold on the street is cropping up in cities large and small across the US and causing a wave of overdoses.