McKinsey Advised Purdue Pharma How to ‘Turbocharge’ Opioid Sales, Lawsuit Says

The world’s most prestigious management-consulting firm, McKinsey & Company, has been drawn into a national reckoning over who bears responsibility for the opioid crisis that has devastated families and communities across America. In legal papers released in unredacted form on Thursday, the Massachusetts attorney general said McKinsey had helped the maker of OxyContin fan the…