A Former Senior Partner At Mckinsey & Company Has Pleaded Guilty To Obstructing Justice In Connection With The Opioid Crisis. Martin Elling, Who Worked Closely With Purdue Pharma, Admitted To Destroying Documents To Hinder A Federal Investigation Into The Company’s Marketing Of Oxycontin. Prosecutors Say Elling Deleted Emails And Files Containing Crucial Information About Purdue’s Sales Strategies. Elling Faces Up To 20 Years In Prison And Will Be Sentenced In April. This Case Is Part Of A Broader Effort To Hold Those Responsible For The Opioid Epidemic Accountable.