When a teenager’s heart stopped, his friends jumped into action — and their CPR training saved his life
May 10 started like any other day for Laura Machnik, who said goodbye to her 18-year-old son J.J. before she headed to work. He was headed to work out at a friend’s house that morning, and after she arrived at work, Machnik confirmed that he had made it there safely. Just minutes later, her phone…