>> shepard: one of italys haunting memories, the 15-year-old daughter of a vat i cal employee disappears during a walk home from music lessons. 35 years ago. now, a grisly find. headlines all across italy today, bones found a vatican owned building in rome. trace gal a dper with the details as we have them. trace? >> the vatican's embassy is near the museum. during renovations, construction crews found almost a full human skeleton, then bone fragments a few feet away. forensic investigators are working to determine the gender of the bones, and the date of death. it's critical information, the discovery has revived one of the most enduring mysteries. in june of 1983, 15-year-old girl disappeared on her way home from the music lesson. her father worked at the vatican bank, her family lived in an apartment in vatican city. one theory is that she was