Mealey's (February 4, 2021, 12:03 PM EST) -- NEW YORK — Management consulting company McKinsey & Co. Inc. on Feb. 4 agreed to pay $573,919,331 to 49 states, the District of Columbia and five U.S. territories to settle attorneys general investigations into the company’s role in advising opioids manufacturers, including Purdue Pharma LP, Johnson & Johnson and Endo International PLC, on how to sell more of the addictive drugs even during the opioid epidemic....