Eleven years after Tiffany Valiante was struck and killed by a New Jersey Transit train, the attorney for her family says potentially important evidence from the 18-year-old's death is no longer available — including clothing photographed at the State Medical Examiner's Office after her death. SouthJerseyNewsBeat.com reports Attorney Paul D'Amato also says the state still possesses a remaining DNA sample from Tiffany that her family wants released as it continues challenging the official determination that she died by suicide.