In the 1960s, a heroin epidemic devastated communities, families, and individuals across the United States. In 1965, the federal government legalized methadone maintenance treatment, which used daily doses of the long-acting synthetic opiate methadone hydrochloride to treat opioid addiction. In 1972, the Food and Drug Administration established unprecedented control over the distribution and use of methadone, creating a carceral regulatory system that continues to prioritize surveillance and punishment over humane treatment. Through an analysis of three methadone clinics established in New York City, Boston, and New Orleans in the late 1960s to early 1970s, this thesis addresses the ways in which divergent communities—from white neighborhoo...