More than 800,000 Americans have died from opioids since 1999. But there’s another drug-related crisis in the US: the exploitative, underregulated drug rehab industry. Many of the roughly 50 million Americans who battle substance abuse rely on this underregulated for-profit industry that too often exploits patients, fails to properly treat them, or even worse. Journalist Shoshana Walter has been reporting on the rehab industry for almost a decade. Walter, a staff writer at the Marshall Project,