An executive at Teva Pharmaceuticals flagged Publix Super Markets in October 2015 after detecting what he called in an email “serious red flags” with the grocery chain’s orders of powerful opioids. The share of high-strength oxycodone orders was well above normal for a chain of grocery store pharmacies, and the total number of pills sent to Publix stores was “significantly above their peers,” Teva’s head of federal compliance wrote in the email to his supervisors, according to court records in a federal lawsuit pending in Ohio against Publix and other companies. “This is high-strength oxycodon…