The Missing

Every year, hundreds of thousands of people vanish across the United States. Many are eventually found, but others are never seen or heard from again. Behind every missing person case is a real human being-a son, daughter, parent, sibling, or friend-and a family left behind searching for answers that may never come.

From victims of mysterious fires who seemed to disappear without a trace to travelers who left for vacation and never returned, from abducted children to adults who vanished unde...