Today, John Walsh is certain that Ottis Toole abducted and murdered his son. So when Hollywood, Fla., Police Chief Chad Wagner announced that the case was closed in 2008, Walsh says it ended almost three decades of misery for his family. John Walsh talks in a frank and fiery interview with The Florida Files about the hurdles in trying to get justice for his son. Still, there are others that doggedly try to prove that serial killer Jeffrey Dahmer was responsible for Adam Walsh's death.