Newsweek DEA AGENTS WARN MEXICAN CARTEL PILLS LOOK ‘EXACTLY’ LIKE REAL PRESCRIPTIONS AND TARGET U.S. CHILDREN The DEA would be better off legalizing fentanyl testing strips and getting behind overdose prevention sites, thereby reducing the harm of drug use, according to Jeremiah Goulka, a researcher and senior fellow at the Health in Justice Action Lab at the Northeastern University School of Law.