Danielle Wynne was a recovering drug addict about a month out of rehab. So when Connie Evans received the devastating phone call two months ago that her 33-year-old daughter, Danielle, had died of an overdose at a South Side house, it wasn’t a total surprise. The real shock came later when Evans saw the coroner’s report: One of the drugs that had killed her daughter was the powerful prescription drug fentanyl.