Every week, Heather & Scott will research and discuss a new episode of Unsolved Mysteries Season 3.
On July 12, 2015, outgoing 18-year-old volleyball star Tiffany Valiante was struck by a New Jersey Transit train. Less than a day later, authorities classified her death as a suicide. But Tiffany\u2019s family \u2014 and some investigators \u2014 believe that she didn\u2019t take her own life, but was instead a victim of foul play.