Consultancy firm accused of helping opioid makers boost sales, which allegedly contributed to deadly epidemic

McKinsey is in the final stages of negotiating a deferred prosecution agreement to resolve a US criminal investigation into the consulting firm’s work helping opioid manufacturers boost sales that allegedly contributed to a deadly addiction epidemic, people familiar with the matter said.

McKinsey is in talks to pay more than $600m to resolve the longstanding US Department of Justice investigation, which also encompasses findings of civil violations, the people said.