It took global-positioning technology for police to track down a 10-year-old boy and get him to a hospital in time for a life-saving heart transplant. John Paul May and his mother were at a university concert when officials got word that the heart was available. Sue May had a cell phone, but the volume was off. When hospital officials couldn't reach the family, they called Pennsylvania State Police for help. This news article shares the story of how they managed to track down the mother and son to share the news.
