Porco was last seen leaving her family's home in Hilton Head, South Carolina on November 29, 1986. She stormed out of the house after an argument with her mother. She called a friend to meet her by the condominium pool. When the friend arrived, there was nothing there but Porco`s red sweater. Porco left on foot and took no money or clothes. Her savings account -between $100 and $200 - hasn`t been touched.
Porco has never been seen again. Foul play is suspected in her disappearance.
Based on clues and speculation, Kristina's mother believes that her remains may be in the North Forest Beach area.