Details: Jennifer Barziloski, 18, vanished shortly after leaving her home in Edwardsville, Pennsylvania, on June 23, 2001. She was last seen with her sister's boyfriend, Steven Martin. Shortly after she vanished, her friend, Phylicia Thomas, told her mother that she believed she knew what happened to her and that she knew who was responsible. Then, in 2004, Phylicia herself vanished without a trace. Then, in April 2010, Jennifer's skull was located in Hunlock Township. No other remains were uncovered. The cause of death is undetermined but her family believes she met with foul play. Her and Phylicia's cases remain unsolved. Suspects: A person of interest in both Phylicia and Jennifer's cases is Steven Martin. He himself claims to be the last person to speak with Phylicia, calling her at he