View Comments On the streets, they're called "trash cans" — colorful capsules or vials packed haphazardly with fentanyl, an opioid so potent that just a tiny amount can kill. Drug agents have found them in Baltimore, New Jersey and Philadelphia, and fear this new drug threat could soon spread across the nation. "Trash cans" are packaged in U.S. conversion labs — homes or buildings where traffickers alter or remix drugs they buy in bulk and package for resale. Sometimes, traffickers cut fentanyl with other drugs, even animal tranquilizers. This packaging method makes it even more ...