Origins of an Epidemic: Purdue Pharma Knew Its Opioids Were Widely Abused. Purdue Pharma, Sackler, Richard (1945- ), Opioids and Opiates, Pain-Relieving Drugs, Drugs (Pharmaceuticals), Drug Abuse and Traffic, Addiction (Psychology), OxyContin (Drug), Justice Department, Goldenheim, Paul D, Friedman, Michael (Pharmaceutical Executive), Udell, Howard