Rebecca's Sister, Mary, Describes Their Relationship and Childhood

Rebecca Zahau's sister, Mary Zahau-Loehner, says Rebecca was the "glue" that held the family together before her mysterious death at Spreckels Mansion, where she lived with her millionaire boyfriend Jonah Shacknai. On July 13, 2011, Rebecca was found nude, hanging from a balcony on the property, with her wrists and ankles bound.