The Foxborough woman could tell that her son had been using again. On that November day in 2011, he was hyper and overly affectionate. “Dear mother,” he called her.
She knew that he was at risk of an overdose. The weeks the 21-year-old had gone without heroin, as the family worked to get him into a treatment program, weakened his tolerance for the drug. When she awoke that night to screams, she was ready, as ready as she could be.