This source from ProPublica investigates how UnitedHealth Group, a major health insurer, uses tactics to limit coverage for mental health care, potentially impacting vulnerable patients. The article highlights that United previously used an algorithmic system, deemed illegal in three states, to identify patients receiving "too much" therapy and restrict their coverage. Despite regulatory actions in some areas, the company continues similar practices through a renamed program, capitalizing on the patchwork of state and federal oversight which makes comprehensive regulation difficult.